21764086

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1\times {\mathrm{661}}^1$

素因数の和:927

約数の個数: 16

約数和(自身を含む): 33221808

約数和(自身を除く): 11457722

約数列:

[1, 2, 101, 163, 202, 326, 661, 1322, 16463, 32926, 66761, 107743, 133522, 215486, 10882043, 21764086]

約数ペア:

[(1, 21764086), (2, 10882043), (101, 215486), (163, 133522), (202, 107743), (326, 66761), (661, 32926), (1322, 16463)]