21892997

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1697}}^1$

素因数の和:1820

約数の個数: 16

約数和(自身を含む): 26624640

約数和(自身を除く): 4731643

約数列:

[1, 7, 19, 97, 133, 679, 1697, 1843, 11879, 12901, 32243, 164609, 225701, 1152263, 3127571, 21892997]

約数ペア:

[(1, 21892997), (7, 3127571), (19, 1152263), (97, 225701), (133, 164609), (679, 32243), (1697, 12901), (1843, 11879)]