21003365520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{941011}}^1$

素因数の和:941061

約数の個数: 120

約数和(自身を含む): 72811744512

約数和(自身を除く): 51808378992

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, 941011, 1882022, 2823033, 3764044, 4705055, 5646066, 7528088, 8469099, 9410110, 11292132, 14115165, 15056176, 16938198, 18820220, 22584264, 28230330, 29171341, 33876396, 37640440, 42345495, 45168528, 56460660, 58342682, 67752792, 75280880, 84690990, 87514023, 112921320, 116685364, 135505584, 145856705, 169381980, 175028046, 225842640, 233370728, 262542069, 291713410, 338763960, 350056092, 437570115, 466741456, 525084138, 583426820, 677527920, 700112184, 875140230, 1050168276, 1166853640, 1312710345, 1400224368, 1750280460, 2100336552, 2333707280, 2625420690, 3500560920, 4200673104, 5250841380, 7001121840, 10501682760, 21003365520]

約数ペア:

[(1, 21003365520), (2, 10501682760), (3, 7001121840), (4, 5250841380), (5, 4200673104), (6, 3500560920), (8, 2625420690), (9, 2333707280), (10, 2100336552), (12, 1750280460), (15, 1400224368), (16, 1312710345), (18, 1166853640), (20, 1050168276), (24, 875140230), (30, 700112184), (31, 677527920), (36, 583426820), (40, 525084138), (45, 466741456), (48, 437570115), (60, 350056092), (62, 338763960), (72, 291713410), (80, 262542069), (90, 233370728), (93, 225842640), (120, 175028046), (124, 169381980), (144, 145856705), (155, 135505584), (180, 116685364), (186, 112921320), (240, 87514023), (248, 84690990), (279, 75280880), (310, 67752792), (360, 58342682), (372, 56460660), (465, 45168528), (496, 42345495), (558, 37640440), (620, 33876396), (720, 29171341), (744, 28230330), (930, 22584264), (1116, 18820220), (1240, 16938198), (1395, 15056176), (1488, 14115165), (1860, 11292132), (2232, 9410110), (2480, 8469099), (2790, 7528088), (3720, 5646066), (4464, 4705055), (5580, 3764044), (7440, 2823033), (11160, 1882022), (22320, 941011)]