21982116

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:205

約数の個数: 96

約数和(自身を含む): 58988160

約数和(自身を除く): 37006044

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 29, 39, 43, 52, 58, 78, 86, 87, 113, 116, 129, 156, 172, 174, 226, 258, 339, 348, 377, 452, 516, 559, 678, 754, 1118, 1131, 1247, 1356, 1469, 1508, 1677, 2236, 2262, 2494, 2938, 3277, 3354, 3741, 4407, 4524, 4859, 4988, 5876, 6554, 6708, 7482, 8814, 9718, 9831, 13108, 14577, 14964, 16211, 17628, 19436, 19662, 29154, 32422, 39324, 42601, 48633, 58308, 63167, 64844, 85202, 97266, 126334, 127803, 140911, 170404, 189501, 194532, 252668, 255606, 281822, 379002, 422733, 511212, 563644, 758004, 845466, 1690932, 1831843, 3663686, 5495529, 7327372, 10991058, 21982116]

約数ペア:

[(1, 21982116), (2, 10991058), (3, 7327372), (4, 5495529), (6, 3663686), (12, 1831843), (13, 1690932), (26, 845466), (29, 758004), (39, 563644), (43, 511212), (52, 422733), (58, 379002), (78, 281822), (86, 255606), (87, 252668), (113, 194532), (116, 189501), (129, 170404), (156, 140911), (172, 127803), (174, 126334), (226, 97266), (258, 85202), (339, 64844), (348, 63167), (377, 58308), (452, 48633), (516, 42601), (559, 39324), (678, 32422), (754, 29154), (1118, 19662), (1131, 19436), (1247, 17628), (1356, 16211), (1469, 14964), (1508, 14577), (1677, 13108), (2236, 9831), (2262, 9718), (2494, 8814), (2938, 7482), (3277, 6708), (3354, 6554), (3741, 5876), (4407, 4988), (4524, 4859)]