21799694518

素因数分解:

$2^1\times 7^1\times {\mathrm{12703}}^1\times {\mathrm{122579}}^1$

素因数の和:135291

約数の個数: 16

約数和(自身を含む): 37374151680

約数和(自身を除く): 15574457162

約数列:

[1, 2, 7, 14, 12703, 25406, 88921, 122579, 177842, 245158, 858053, 1716106, 1557121037, 3114242074, 10899847259, 21799694518]

約数ペア:

[(1, 21799694518), (2, 10899847259), (7, 3114242074), (14, 1557121037), (12703, 1716106), (25406, 858053), (88921, 245158), (122579, 177842)]