21000252674

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1\times {\mathrm{744637}}^1$

素因数の和:744937

約数の個数: 16

約数和(自身を含む): 32168361600

約数和(自身を除く): 11168108926

約数列:

[1, 2, 59, 118, 239, 478, 14101, 28202, 744637, 1489274, 43933583, 87867166, 177968243, 355936486, 10500126337, 21000252674]

約数ペア:

[(1, 21000252674), (2, 10500126337), (59, 355936486), (118, 177968243), (239, 87867166), (478, 43933583), (14101, 1489274), (28202, 744637)]