21010016880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{941309}}^1$

素因数の和:941359

約数の個数: 120

約数和(自身を含む): 72834802560

約数和(自身を除く): 51824785680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1395, 1488, 1860, 2232, 2480, 2790, 3720, 4464, 5580, 7440, 11160, 22320, 941309, 1882618, 2823927, 3765236, 4706545, 5647854, 7530472, 8471781, 9413090, 11295708, 14119635, 15060944, 16943562, 18826180, 22591416, 28239270, 29180579, 33887124, 37652360, 42358905, 45182832, 56478540, 58361158, 67774248, 75304720, 84717810, 87541737, 112957080, 116722316, 135548496, 145902895, 169435620, 175083474, 225914160, 233444632, 262625211, 291805790, 338871240, 350166948, 437708685, 466889264, 525250422, 583611580, 677742480, 700333896, 875417370, 1050500844, 1167223160, 1313126055, 1400667792, 1750834740, 2101001688, 2334446320, 2626252110, 3501669480, 4202003376, 5252504220, 7003338960, 10505008440, 21010016880]

約数ペア:

[(1, 21010016880), (2, 10505008440), (3, 7003338960), (4, 5252504220), (5, 4202003376), (6, 3501669480), (8, 2626252110), (9, 2334446320), (10, 2101001688), (12, 1750834740), (15, 1400667792), (16, 1313126055), (18, 1167223160), (20, 1050500844), (24, 875417370), (30, 700333896), (31, 677742480), (36, 583611580), (40, 525250422), (45, 466889264), (48, 437708685), (60, 350166948), (62, 338871240), (72, 291805790), (80, 262625211), (90, 233444632), (93, 225914160), (120, 175083474), (124, 169435620), (144, 145902895), (155, 135548496), (180, 116722316), (186, 112957080), (240, 87541737), (248, 84717810), (279, 75304720), (310, 67774248), (360, 58361158), (372, 56478540), (465, 45182832), (496, 42358905), (558, 37652360), (620, 33887124), (720, 29180579), (744, 28239270), (930, 22591416), (1116, 18826180), (1240, 16943562), (1395, 15060944), (1488, 14119635), (1860, 11295708), (2232, 9413090), (2480, 8471781), (2790, 7530472), (3720, 5647854), (4464, 4706545), (5580, 3765236), (7440, 2823927), (11160, 1882618), (22320, 941309)]