21525119

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{14713}}^1$

素因数の和:14750

約数の個数: 16

約数和(自身を含む): 28250880

約数和(自身を除く): 6725761

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 14713, 102991, 161843, 279547, 1132901, 1956829, 3075017, 21525119]

約数ペア:

[(1, 21525119), (7, 3075017), (11, 1956829), (19, 1132901), (77, 279547), (133, 161843), (209, 102991), (1463, 14713)]