21656606

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{14813}}^1$

素因数の和:14875

約数の個数: 16

約数和(自身を含む): 35198064

約数和(自身を除く): 13541458

約数列:

[1, 2, 17, 34, 43, 86, 731, 1462, 14813, 29626, 251821, 503642, 636959, 1273918, 10828303, 21656606]

約数ペア:

[(1, 21656606), (2, 10828303), (17, 1273918), (34, 636959), (43, 503642), (86, 251821), (731, 29626), (1462, 14813)]