21517069

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{433}}^1$

素因数の和:700

約数の個数: 16

約数和(自身を含む): 25553920

約数和(自身を除く): 4036851

約数列:

[1, 7, 31, 217, 229, 433, 1603, 3031, 7099, 13423, 49693, 93961, 99157, 694099, 3073867, 21517069]

約数ペア:

[(1, 21517069), (7, 3073867), (31, 694099), (217, 99157), (229, 93961), (433, 49693), (1603, 13423), (3031, 7099)]