21208524

素因数分解:

$2^2\times 3^1\times {\mathrm{103}}^1\times {\mathrm{17159}}^1$

素因数の和:17269

約数の個数: 24

約数和(自身を含む): 49969920

約数和(自身を除く): 28761396

約数列:

[1, 2, 3, 4, 6, 12, 103, 206, 309, 412, 618, 1236, 17159, 34318, 51477, 68636, 102954, 205908, 1767377, 3534754, 5302131, 7069508, 10604262, 21208524]

約数ペア:

[(1, 21208524), (2, 10604262), (3, 7069508), (4, 5302131), (6, 3534754), (12, 1767377), (103, 205908), (206, 102954), (309, 68636), (412, 51477), (618, 34318), (1236, 17159)]