21804372

素因数分解:

$2^2\times 3^2\times {\mathrm{137}}^1\times {\mathrm{4421}}^1$

素因数の和:4568

約数の個数: 36

約数和(自身を含む): 55531476

約数和(自身を除く): 33727104

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 137, 274, 411, 548, 822, 1233, 1644, 2466, 4421, 4932, 8842, 13263, 17684, 26526, 39789, 53052, 79578, 159156, 605677, 1211354, 1817031, 2422708, 3634062, 5451093, 7268124, 10902186, 21804372]

約数ペア:

[(1, 21804372), (2, 10902186), (3, 7268124), (4, 5451093), (6, 3634062), (9, 2422708), (12, 1817031), (18, 1211354), (36, 605677), (137, 159156), (274, 79578), (411, 53052), (548, 39789), (822, 26526), (1233, 17684), (1644, 13263), (2466, 8842), (4421, 4932)]