21753684

素因数分解:

$2^2\times 3^4\times {\mathrm{67141}}^1$

素因数の和:67157

約数の個数: 30

約数和(自身を含む): 56869274

約数和(自身を除く): 35115590

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 67141, 134282, 201423, 268564, 402846, 604269, 805692, 1208538, 1812807, 2417076, 3625614, 5438421, 7251228, 10876842, 21753684]

約数ペア:

[(1, 21753684), (2, 10876842), (3, 7251228), (4, 5438421), (6, 3625614), (9, 2417076), (12, 1812807), (18, 1208538), (27, 805692), (36, 604269), (54, 402846), (81, 268564), (108, 201423), (162, 134282), (324, 67141)]