21467887

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{571}}^1$

素因数の和:750

約数の個数: 16

約数和(自身を含む): 25369344

約数和(自身を除く): 3901457

約数列:

[1, 7, 41, 131, 287, 571, 917, 3997, 5371, 23411, 37597, 74801, 163877, 523607, 3066841, 21467887]

約数ペア:

[(1, 21467887), (7, 3066841), (41, 523607), (131, 163877), (287, 74801), (571, 37597), (917, 23411), (3997, 5371)]