21987698546

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13477}}^1\times {\mathrm{74159}}^1$

素因数の和:87649

約数の個数: 16

約数和(自身を含む): 35983025280

約数和(自身を除く): 13995326734

約数列:

[1, 2, 11, 22, 13477, 26954, 74159, 148247, 148318, 296494, 815749, 1631498, 999440843, 1998881686, 10993849273, 21987698546]

約数ペア:

[(1, 21987698546), (2, 10993849273), (11, 1998881686), (22, 999440843), (13477, 1631498), (26954, 815749), (74159, 296494), (148247, 148318)]