21542520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5791}}^1$

素因数の和:5836

約数の個数: 64

約数和(自身を含む): 66723840

約数和(自身を除く): 45181320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 5791, 11582, 17373, 23164, 28955, 34746, 46328, 57910, 69492, 86865, 115820, 138984, 173730, 179521, 231640, 347460, 359042, 538563, 694920, 718084, 897605, 1077126, 1436168, 1795210, 2154252, 2692815, 3590420, 4308504, 5385630, 7180840, 10771260, 21542520]

約数ペア:

[(1, 21542520), (2, 10771260), (3, 7180840), (4, 5385630), (5, 4308504), (6, 3590420), (8, 2692815), (10, 2154252), (12, 1795210), (15, 1436168), (20, 1077126), (24, 897605), (30, 718084), (31, 694920), (40, 538563), (60, 359042), (62, 347460), (93, 231640), (120, 179521), (124, 173730), (155, 138984), (186, 115820), (248, 86865), (310, 69492), (372, 57910), (465, 46328), (620, 34746), (744, 28955), (930, 23164), (1240, 17373), (1860, 11582), (3720, 5791)]