21565316

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{3079}}^1$

素因数の和:3203

約数の個数: 24

約数和(自身を含む): 40360320

約数和(自身を除く): 18795004

約数列:

[1, 2, 4, 17, 34, 68, 103, 206, 412, 1751, 3079, 3502, 6158, 7004, 12316, 52343, 104686, 209372, 317137, 634274, 1268548, 5391329, 10782658, 21565316]

約数ペア:

[(1, 21565316), (2, 10782658), (4, 5391329), (17, 1268548), (34, 634274), (68, 317137), (103, 209372), (206, 104686), (412, 52343), (1751, 12316), (3079, 7004), (3502, 6158)]