21035380

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{3797}}^1$

素因数の和:4083

約数の個数: 24

約数和(自身を含む): 44345448

約数和(自身を除く): 23310068

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2770, 3797, 5540, 7594, 15188, 18985, 37970, 75940, 1051769, 2103538, 4207076, 5258845, 10517690, 21035380]

約数ペア:

[(1, 21035380), (2, 10517690), (4, 5258845), (5, 4207076), (10, 2103538), (20, 1051769), (277, 75940), (554, 37970), (1108, 18985), (1385, 15188), (2770, 7594), (3797, 5540)]