21740040

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{8627}}^1$

素因数の和:8651

約数の個数: 96

約数和(自身を含む): 80758080

約数和(自身を除く): 59018040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 8627, 17254, 25881, 34508, 43135, 51762, 60389, 69016, 77643, 86270, 103524, 120778, 129405, 155286, 172540, 181167, 207048, 241556, 258810, 301945, 310572, 345080, 362334, 388215, 483112, 517620, 543501, 603890, 621144, 724668, 776430, 905835, 1035240, 1087002, 1207780, 1449336, 1552860, 1811670, 2174004, 2415560, 2717505, 3105720, 3623340, 4348008, 5435010, 7246680, 10870020, 21740040]

約数ペア:

[(1, 21740040), (2, 10870020), (3, 7246680), (4, 5435010), (5, 4348008), (6, 3623340), (7, 3105720), (8, 2717505), (9, 2415560), (10, 2174004), (12, 1811670), (14, 1552860), (15, 1449336), (18, 1207780), (20, 1087002), (21, 1035240), (24, 905835), (28, 776430), (30, 724668), (35, 621144), (36, 603890), (40, 543501), (42, 517620), (45, 483112), (56, 388215), (60, 362334), (63, 345080), (70, 310572), (72, 301945), (84, 258810), (90, 241556), (105, 207048), (120, 181167), (126, 172540), (140, 155286), (168, 129405), (180, 120778), (210, 103524), (252, 86270), (280, 77643), (315, 69016), (360, 60389), (420, 51762), (504, 43135), (630, 34508), (840, 25881), (1260, 17254), (2520, 8627)]