21802574

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{3181}}^1$

素因数の和:3355

約数の個数: 16

約数和(自身を含む): 34365600

約数和(自身を除く): 12563026

約数列:

[1, 2, 23, 46, 149, 298, 3181, 3427, 6362, 6854, 73163, 146326, 473969, 947938, 10901287, 21802574]

約数ペア:

[(1, 21802574), (2, 10901287), (23, 947938), (46, 473969), (149, 146326), (298, 73163), (3181, 6854), (3427, 6362)]