21997566

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^2\times {\mathrm{727}}^1$

素因数の和:817

約数の個数: 36

約数和(自身を含む): 48919416

約数和(自身を除く): 26921850

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 246, 369, 727, 738, 1454, 1681, 2181, 3362, 4362, 5043, 6543, 10086, 13086, 15129, 29807, 30258, 59614, 89421, 178842, 268263, 536526, 1222087, 2444174, 3666261, 7332522, 10998783, 21997566]

約数ペア:

[(1, 21997566), (2, 10998783), (3, 7332522), (6, 3666261), (9, 2444174), (18, 1222087), (41, 536526), (82, 268263), (123, 178842), (246, 89421), (369, 59614), (727, 30258), (738, 29807), (1454, 15129), (1681, 13086), (2181, 10086), (3362, 6543), (4362, 5043)]