21179318

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{503}}^1\times {\mathrm{569}}^1$

素因数の和:1111

約数の個数: 16

約数和(自身を含む): 32749920

約数和(自身を除く): 11570602

約数列:

[1, 2, 37, 74, 503, 569, 1006, 1138, 18611, 21053, 37222, 42106, 286207, 572414, 10589659, 21179318]

約数ペア:

[(1, 21179318), (2, 10589659), (37, 572414), (74, 286207), (503, 42106), (569, 37222), (1006, 21053), (1138, 18611)]