21073998

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{1187}}^1$

素因数の和:1472

約数の個数: 32

約数和(自身を含む): 46189440

約数和(自身を除く): 25115442

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 269, 538, 807, 1187, 1614, 2374, 2959, 3561, 5918, 7122, 8877, 13057, 17754, 26114, 39171, 78342, 319303, 638606, 957909, 1915818, 3512333, 7024666, 10536999, 21073998]

約数ペア:

[(1, 21073998), (2, 10536999), (3, 7024666), (6, 3512333), (11, 1915818), (22, 957909), (33, 638606), (66, 319303), (269, 78342), (538, 39171), (807, 26114), (1187, 17754), (1614, 13057), (2374, 8877), (2959, 7122), (3561, 5918)]