21315992

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{45161}}^1$

素因数の和:45226

約数の個数: 16

約数和(自身を含む): 40645800

約数和(自身を除く): 19329808

約数列:

[1, 2, 4, 8, 59, 118, 236, 472, 45161, 90322, 180644, 361288, 2664499, 5328998, 10657996, 21315992]

約数ペア:

[(1, 21315992), (2, 10657996), (4, 5328998), (8, 2664499), (59, 361288), (118, 180644), (236, 90322), (472, 45161)]