21188198

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1$

素因数の和:332

約数の個数: 32

約数和(自身を含む): 34801920

約数和(自身を除く): 13613722

約数列:

[1, 2, 23, 37, 46, 59, 74, 118, 211, 422, 851, 1357, 1702, 2183, 2714, 4366, 4853, 7807, 9706, 12449, 15614, 24898, 50209, 100418, 179561, 286327, 359122, 460613, 572654, 921226, 10594099, 21188198]

約数ペア:

[(1, 21188198), (2, 10594099), (23, 921226), (37, 572654), (46, 460613), (59, 359122), (74, 286327), (118, 179561), (211, 100418), (422, 50209), (851, 24898), (1357, 15614), (1702, 12449), (2183, 9706), (2714, 7807), (4366, 4853)]