21525106920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1\times {\mathrm{421}}^1$

素因数の和:876

約数の個数: 256

約数和(自身を含む): 69698465280

約数和(自身を除く): 48173358360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 71, 85, 102, 120, 136, 142, 170, 204, 213, 255, 284, 340, 353, 355, 408, 421, 426, 510, 568, 680, 706, 710, 842, 852, 1020, 1059, 1065, 1207, 1263, 1412, 1420, 1684, 1704, 1765, 2040, 2105, 2118, 2130, 2414, 2526, 2824, 2840, 3368, 3530, 3621, 4210, 4236, 4260, 4828, 5052, 5295, 6001, 6035, 6315, 7060, 7157, 7242, 8420, 8472, 8520, 9656, 10104, 10590, 12002, 12070, 12630, 14120, 14314, 14484, 16840, 18003, 18105, 21180, 21471, 24004, 24140, 25063, 25260, 28628, 28968, 29891, 30005, 35785, 36006, 36210, 42360, 42942, 48008, 48280, 50126, 50520, 57256, 59782, 60010, 71570, 72012, 72420, 75189, 85884, 89673, 90015, 100252, 107355, 119564, 120020, 125315, 143140, 144024, 144840, 148613, 149455, 150378, 171768, 179346, 180030, 200504, 214710, 239128, 240040, 250630, 286280, 297226, 298910, 300756, 358692, 360060, 375945, 426071, 429420, 445839, 448365, 501260, 508147, 594452, 597820, 601512, 717384, 720120, 743065, 751890, 852142, 858840, 891678, 896730, 1002520, 1016294, 1188904, 1195640, 1278213, 1486130, 1503780, 1524441, 1704284, 1783356, 1793460, 2032588, 2130355, 2229195, 2526421, 2540735, 2556426, 2972260, 3007560, 3048882, 3408568, 3566712, 3586920, 4065176, 4260710, 4458390, 5052842, 5081470, 5112852, 5944520, 6097764, 6391065, 7579263, 7622205, 8521420, 8916780, 10105684, 10162940, 10225704, 10551523, 12195528, 12632105, 12782130, 15158526, 15244410, 17042840, 17833560, 20211368, 20325880, 21103046, 25264210, 25564260, 30317052, 30488820, 31654569, 37896315, 42206092, 50528420, 51128520, 52757615, 60634104, 60977640, 63309138, 75792630, 84412184, 101056840, 105515230, 126618276, 151585260, 158272845, 179375891, 211030460, 253236552, 303170520, 316545690, 358751782, 422060920, 538127673, 633091380, 717503564, 896879455, 1076255346, 1266182760, 1435007128, 1793758910, 2152510692, 2690638365, 3587517820, 4305021384, 5381276730, 7175035640, 10762553460, 21525106920]

約数ペア:

[(1, 21525106920), (2, 10762553460), (3, 7175035640), (4, 5381276730), (5, 4305021384), (6, 3587517820), (8, 2690638365), (10, 2152510692), (12, 1793758910), (15, 1435007128), (17, 1266182760), (20, 1076255346), (24, 896879455), (30, 717503564), (34, 633091380), (40, 538127673), (51, 422060920), (60, 358751782), (68, 316545690), (71, 303170520), (85, 253236552), (102, 211030460), (120, 179375891), (136, 158272845), (142, 151585260), (170, 126618276), (204, 105515230), (213, 101056840), (255, 84412184), (284, 75792630), (340, 63309138), (353, 60977640), (355, 60634104), (408, 52757615), (421, 51128520), (426, 50528420), (510, 42206092), (568, 37896315), (680, 31654569), (706, 30488820), (710, 30317052), (842, 25564260), (852, 25264210), (1020, 21103046), (1059, 20325880), (1065, 20211368), (1207, 17833560), (1263, 17042840), (1412, 15244410), (1420, 15158526), (1684, 12782130), (1704, 12632105), (1765, 12195528), (2040, 10551523), (2105, 10225704), (2118, 10162940), (2130, 10105684), (2414, 8916780), (2526, 8521420), (2824, 7622205), (2840, 7579263), (3368, 6391065), (3530, 6097764), (3621, 5944520), (4210, 5112852), (4236, 5081470), (4260, 5052842), (4828, 4458390), (5052, 4260710), (5295, 4065176), (6001, 3586920), (6035, 3566712), (6315, 3408568), (7060, 3048882), (7157, 3007560), (7242, 2972260), (8420, 2556426), (8472, 2540735), (8520, 2526421), (9656, 2229195), (10104, 2130355), (10590, 2032588), (12002, 1793460), (12070, 1783356), (12630, 1704284), (14120, 1524441), (14314, 1503780), (14484, 1486130), (16840, 1278213), (18003, 1195640), (18105, 1188904), (21180, 1016294), (21471, 1002520), (24004, 896730), (24140, 891678), (25063, 858840), (25260, 852142), (28628, 751890), (28968, 743065), (29891, 720120), (30005, 717384), (35785, 601512), (36006, 597820), (36210, 594452), (42360, 508147), (42942, 501260), (48008, 448365), (48280, 445839), (50126, 429420), (50520, 426071), (57256, 375945), (59782, 360060), (60010, 358692), (71570, 300756), (72012, 298910), (72420, 297226), (75189, 286280), (85884, 250630), (89673, 240040), (90015, 239128), (100252, 214710), (107355, 200504), (119564, 180030), (120020, 179346), (125315, 171768), (143140, 150378), (144024, 149455), (144840, 148613)]