21094906270

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{26702413}}^1$

素因数の和:26702499

約数の個数: 16

約数和(自身を含む): 38451476160

約数和(自身を除く): 17356569890

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 26702413, 53404826, 133512065, 267024130, 2109490627, 4218981254, 10547453135, 21094906270]

約数ペア:

[(1, 21094906270), (2, 10547453135), (5, 4218981254), (10, 2109490627), (79, 267024130), (158, 133512065), (395, 53404826), (790, 26702413)]