21774562

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{821}}^1$

素因数の和:1061

約数の個数: 16

約数和(自身を含む): 33291000

約数和(自身を除く): 11516438

約数列:

[1, 2, 89, 149, 178, 298, 821, 1642, 13261, 26522, 73069, 122329, 146138, 244658, 10887281, 21774562]

約数ペア:

[(1, 21774562), (2, 10887281), (89, 244658), (149, 146138), (178, 122329), (298, 73069), (821, 26522), (1642, 13261)]