21157561102

素因数分解:

$2^1\times {\mathrm{113}}^1\times {\mathrm{7213}}^1\times {\mathrm{12979}}^1$

素因数の和:20307

約数の個数: 16

約数和(自身を含む): 32024100240

約数和(自身を除く): 10866539138

約数列:

[1, 2, 113, 226, 7213, 12979, 14426, 25958, 815069, 1466627, 1630138, 2933254, 93617527, 187235054, 10578780551, 21157561102]

約数ペア:

[(1, 21157561102), (2, 10578780551), (113, 187235054), (226, 93617527), (7213, 2933254), (12979, 1630138), (14426, 1466627), (25958, 815069)]