21104495890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1583233}}^1$

素因数の和:1583314

約数の個数: 32

約数和(自身を含む): 40125482496

約数和(自身を除く): 19020986606

約数列:

[1, 2, 5, 10, 31, 43, 62, 86, 155, 215, 310, 430, 1333, 2666, 6665, 13330, 1583233, 3166466, 7916165, 15832330, 49080223, 68079019, 98160446, 136158038, 245401115, 340395095, 490802230, 680790190, 2110449589, 4220899178, 10552247945, 21104495890]

約数ペア:

[(1, 21104495890), (2, 10552247945), (5, 4220899178), (10, 2110449589), (31, 680790190), (43, 490802230), (62, 340395095), (86, 245401115), (155, 136158038), (215, 98160446), (310, 68079019), (430, 49080223), (1333, 15832330), (2666, 7916165), (6665, 3166466), (13330, 1583233)]