21288152

素因数分解:

$2^3\times {\mathrm{719}}^1\times {\mathrm{3701}}^1$

素因数の和:4426

約数の個数: 16

約数和(自身を含む): 39981600

約数和(自身を除く): 18693448

約数列:

[1, 2, 4, 8, 719, 1438, 2876, 3701, 5752, 7402, 14804, 29608, 2661019, 5322038, 10644076, 21288152]

約数ペア:

[(1, 21288152), (2, 10644076), (4, 5322038), (8, 2661019), (719, 29608), (1438, 14804), (2876, 7402), (3701, 5752)]