21010984

素因数分解:

$2^3\times {\mathrm{1229}}^1\times {\mathrm{2137}}^1$

素因数の和:3372

約数の個数: 16

約数和(自身を含む): 39446100

約数和(自身を除く): 18435116

約数列:

[1, 2, 4, 8, 1229, 2137, 2458, 4274, 4916, 8548, 9832, 17096, 2626373, 5252746, 10505492, 21010984]

約数ペア:

[(1, 21010984), (2, 10505492), (4, 5252746), (8, 2626373), (1229, 17096), (2137, 9832), (2458, 8548), (4274, 4916)]