21333897720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{5507}}^1$

素因数の和:5755

約数の個数: 256

約数和(自身を含む): 75666700800

約数和(自身を除く): 54332803080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 51, 54, 60, 68, 72, 85, 90, 102, 108, 120, 135, 136, 153, 170, 180, 204, 211, 216, 255, 270, 306, 340, 360, 408, 422, 459, 510, 540, 612, 633, 680, 765, 844, 918, 1020, 1055, 1080, 1224, 1266, 1530, 1688, 1836, 1899, 2040, 2110, 2295, 2532, 3060, 3165, 3587, 3672, 3798, 4220, 4590, 5064, 5507, 5697, 6120, 6330, 7174, 7596, 8440, 9180, 9495, 10761, 11014, 11394, 12660, 14348, 15192, 16521, 17935, 18360, 18990, 21522, 22028, 22788, 25320, 27535, 28485, 28696, 32283, 33042, 35870, 37980, 43044, 44056, 45576, 49563, 53805, 55070, 56970, 64566, 66084, 71740, 75960, 82605, 86088, 93619, 96849, 99126, 107610, 110140, 113940, 129132, 132168, 143480, 148689, 161415, 165210, 187238, 193698, 198252, 215220, 220280, 227880, 247815, 258264, 280857, 297378, 322830, 330420, 374476, 387396, 396504, 430440, 468095, 484245, 495630, 561714, 594756, 645660, 660840, 743445, 748952, 774792, 842571, 936190, 968490, 991260, 1123428, 1161977, 1189512, 1291320, 1404285, 1486890, 1685142, 1872380, 1936980, 1982520, 2246856, 2323954, 2527713, 2808570, 2973780, 3370284, 3485931, 3744760, 3873960, 4212855, 4647908, 5055426, 5617140, 5809885, 5947560, 6740568, 6971862, 8425710, 9295816, 10110852, 10457793, 11234280, 11619770, 12638565, 13943724, 16851420, 17429655, 19753609, 20221704, 20915586, 23239540, 25277130, 27887448, 31373379, 33702840, 34859310, 39507218, 41831172, 46479080, 50554260, 52288965, 59260827, 62746758, 69718620, 79014436, 83662344, 98768045, 101108520, 104577930, 118521654, 125493516, 139437240, 156866895, 158028872, 177782481, 197536090, 209155860, 237043308, 250987032, 296304135, 313733790, 355564962, 395072180, 418311720, 474086616, 533347443, 592608270, 627467580, 711129924, 790144360, 888912405, 1066694886, 1185216540, 1254935160, 1422259848, 1777824810, 2133389772, 2370433080, 2666737215, 3555649620, 4266779544, 5333474430, 7111299240, 10666948860, 21333897720]

約数ペア:

[(1, 21333897720), (2, 10666948860), (3, 7111299240), (4, 5333474430), (5, 4266779544), (6, 3555649620), (8, 2666737215), (9, 2370433080), (10, 2133389772), (12, 1777824810), (15, 1422259848), (17, 1254935160), (18, 1185216540), (20, 1066694886), (24, 888912405), (27, 790144360), (30, 711129924), (34, 627467580), (36, 592608270), (40, 533347443), (45, 474086616), (51, 418311720), (54, 395072180), (60, 355564962), (68, 313733790), (72, 296304135), (85, 250987032), (90, 237043308), (102, 209155860), (108, 197536090), (120, 177782481), (135, 158028872), (136, 156866895), (153, 139437240), (170, 125493516), (180, 118521654), (204, 104577930), (211, 101108520), (216, 98768045), (255, 83662344), (270, 79014436), (306, 69718620), (340, 62746758), (360, 59260827), (408, 52288965), (422, 50554260), (459, 46479080), (510, 41831172), (540, 39507218), (612, 34859310), (633, 33702840), (680, 31373379), (765, 27887448), (844, 25277130), (918, 23239540), (1020, 20915586), (1055, 20221704), (1080, 19753609), (1224, 17429655), (1266, 16851420), (1530, 13943724), (1688, 12638565), (1836, 11619770), (1899, 11234280), (2040, 10457793), (2110, 10110852), (2295, 9295816), (2532, 8425710), (3060, 6971862), (3165, 6740568), (3587, 5947560), (3672, 5809885), (3798, 5617140), (4220, 5055426), (4590, 4647908), (5064, 4212855), (5507, 3873960), (5697, 3744760), (6120, 3485931), (6330, 3370284), (7174, 2973780), (7596, 2808570), (8440, 2527713), (9180, 2323954), (9495, 2246856), (10761, 1982520), (11014, 1936980), (11394, 1872380), (12660, 1685142), (14348, 1486890), (15192, 1404285), (16521, 1291320), (17935, 1189512), (18360, 1161977), (18990, 1123428), (21522, 991260), (22028, 968490), (22788, 936190), (25320, 842571), (27535, 774792), (28485, 748952), (28696, 743445), (32283, 660840), (33042, 645660), (35870, 594756), (37980, 561714), (43044, 495630), (44056, 484245), (45576, 468095), (49563, 430440), (53805, 396504), (55070, 387396), (56970, 374476), (64566, 330420), (66084, 322830), (71740, 297378), (75960, 280857), (82605, 258264), (86088, 247815), (93619, 227880), (96849, 220280), (99126, 215220), (107610, 198252), (110140, 193698), (113940, 187238), (129132, 165210), (132168, 161415), (143480, 148689)]