21920332

素因数分解:

$2^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{3119}}^1$

素因数の和:3381

約数の個数: 24

約数和(自身を含む): 44029440

約数和(自身を除く): 22109108

約数列:

[1, 2, 4, 7, 14, 28, 251, 502, 1004, 1757, 3119, 3514, 6238, 7028, 12476, 21833, 43666, 87332, 782869, 1565738, 3131476, 5480083, 10960166, 21920332]

約数ペア:

[(1, 21920332), (2, 10960166), (4, 5480083), (7, 3131476), (14, 1565738), (28, 782869), (251, 87332), (502, 43666), (1004, 21833), (1757, 12476), (3119, 7028), (3514, 6238)]