21047720760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{983}}^1\times {\mathrm{5407}}^1$

素因数の和:6418

約数の個数: 192

約数和(自身を含む): 74713466880

約数和(自身を除く): 53665746120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 983, 990, 1320, 1966, 1980, 2949, 3932, 3960, 4915, 5407, 5898, 7864, 8847, 9830, 10813, 10814, 11796, 14745, 16221, 17694, 19660, 21626, 21628, 23592, 27035, 29490, 32439, 32442, 35388, 39320, 43252, 43256, 44235, 48663, 54065, 54070, 58980, 59477, 64878, 64884, 70776, 81105, 86504, 88470, 97317, 97326, 108130, 108140, 117960, 118954, 129756, 129768, 162195, 162210, 176940, 178431, 194634, 194652, 216260, 216280, 237908, 243315, 259512, 297385, 324390, 324420, 353880, 356862, 389268, 389304, 432520, 475816, 486585, 486630, 535293, 594770, 648780, 648840, 713724, 778536, 892155, 973170, 973260, 1070586, 1189540, 1297560, 1427448, 1784310, 1946340, 1946520, 2141172, 2379080, 2676465, 3568620, 3892680, 4282344, 5315081, 5352930, 7137240, 10630162, 10705860, 15945243, 21260324, 21411720, 26575405, 31890486, 42520648, 47835729, 53150810, 58465891, 63780972, 79726215, 95671458, 106301620, 116931782, 127561944, 159452430, 175397673, 191342916, 212603240, 233863564, 239178645, 292329455, 318904860, 350795346, 382685832, 467727128, 478357290, 526193019, 584658910, 637809720, 701590692, 876988365, 956714580, 1052386038, 1169317820, 1403181384, 1753976730, 1913429160, 2104772076, 2338635640, 2630965095, 3507953460, 4209544152, 5261930190, 7015906920, 10523860380, 21047720760]

約数ペア:

[(1, 21047720760), (2, 10523860380), (3, 7015906920), (4, 5261930190), (5, 4209544152), (6, 3507953460), (8, 2630965095), (9, 2338635640), (10, 2104772076), (11, 1913429160), (12, 1753976730), (15, 1403181384), (18, 1169317820), (20, 1052386038), (22, 956714580), (24, 876988365), (30, 701590692), (33, 637809720), (36, 584658910), (40, 526193019), (44, 478357290), (45, 467727128), (55, 382685832), (60, 350795346), (66, 318904860), (72, 292329455), (88, 239178645), (90, 233863564), (99, 212603240), (110, 191342916), (120, 175397673), (132, 159452430), (165, 127561944), (180, 116931782), (198, 106301620), (220, 95671458), (264, 79726215), (330, 63780972), (360, 58465891), (396, 53150810), (440, 47835729), (495, 42520648), (660, 31890486), (792, 26575405), (983, 21411720), (990, 21260324), (1320, 15945243), (1966, 10705860), (1980, 10630162), (2949, 7137240), (3932, 5352930), (3960, 5315081), (4915, 4282344), (5407, 3892680), (5898, 3568620), (7864, 2676465), (8847, 2379080), (9830, 2141172), (10813, 1946520), (10814, 1946340), (11796, 1784310), (14745, 1427448), (16221, 1297560), (17694, 1189540), (19660, 1070586), (21626, 973260), (21628, 973170), (23592, 892155), (27035, 778536), (29490, 713724), (32439, 648840), (32442, 648780), (35388, 594770), (39320, 535293), (43252, 486630), (43256, 486585), (44235, 475816), (48663, 432520), (54065, 389304), (54070, 389268), (58980, 356862), (59477, 353880), (64878, 324420), (64884, 324390), (70776, 297385), (81105, 259512), (86504, 243315), (88470, 237908), (97317, 216280), (97326, 216260), (108130, 194652), (108140, 194634), (117960, 178431), (118954, 176940), (129756, 162210), (129768, 162195)]