21851551156

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{1355219}}^1$

素因数の和:1355391

約数の個数: 24

約数和(自身を含む): 39843468000

約数和(自身を除く): 17991916844

約数列:

[1, 2, 4, 29, 58, 116, 139, 278, 556, 4031, 8062, 16124, 1355219, 2710438, 5420876, 39301351, 78602702, 157205404, 188375441, 376750882, 753501764, 5462887789, 10925775578, 21851551156]

約数ペア:

[(1, 21851551156), (2, 10925775578), (4, 5462887789), (29, 753501764), (58, 376750882), (116, 188375441), (139, 157205404), (278, 78602702), (556, 39301351), (4031, 5420876), (8062, 2710438), (16124, 1355219)]