21925360

素因数分解:

$2^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1229}}^1$

素因数の和:1465

約数の個数: 40

約数和(自身を含む): 51246720

約数和(自身を除く): 29321360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 223, 446, 892, 1115, 1229, 1784, 2230, 2458, 3568, 4460, 4916, 6145, 8920, 9832, 12290, 17840, 19664, 24580, 49160, 98320, 274067, 548134, 1096268, 1370335, 2192536, 2740670, 4385072, 5481340, 10962680, 21925360]

約数ペア:

[(1, 21925360), (2, 10962680), (4, 5481340), (5, 4385072), (8, 2740670), (10, 2192536), (16, 1370335), (20, 1096268), (40, 548134), (80, 274067), (223, 98320), (446, 49160), (892, 24580), (1115, 19664), (1229, 17840), (1784, 12290), (2230, 9832), (2458, 8920), (3568, 6145), (4460, 4916)]