21000455287

素因数分解:

$7^1\times {\mathrm{163}}^1\times {\mathrm{3257}}^1\times {\mathrm{5651}}^1$

素因数の和:9078

約数の個数: 16

約数和(自身を含む): 24159451392

約数和(自身を除く): 3158996105

約数列:

[1, 7, 163, 1141, 3257, 5651, 22799, 39557, 530891, 921113, 3716237, 6447791, 18405307, 128837149, 3000065041, 21000455287]

約数ペア:

[(1, 21000455287), (7, 3000065041), (163, 128837149), (1141, 18405307), (3257, 6447791), (5651, 3716237), (22799, 921113), (39557, 530891)]