21493450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{39079}}^1$

素因数の和:39102

約数の個数: 24

約数和(自身を含む): 43613280

約数和(自身を除く): 22119830

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 39079, 78158, 195395, 390790, 429869, 859738, 976975, 1953950, 2149345, 4298690, 10746725, 21493450]

約数ペア:

[(1, 21493450), (2, 10746725), (5, 4298690), (10, 2149345), (11, 1953950), (22, 976975), (25, 859738), (50, 429869), (55, 390790), (110, 195395), (275, 78158), (550, 39079)]