21486412

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{2357}}^1$

素因数の和:2457

約数の個数: 24

約数和(自身を含む): 39218256

約数和(自身を除く): 17731844

約数列:

[1, 2, 4, 43, 53, 86, 106, 172, 212, 2279, 2357, 4558, 4714, 9116, 9428, 101351, 124921, 202702, 249842, 405404, 499684, 5371603, 10743206, 21486412]

約数ペア:

[(1, 21486412), (2, 10743206), (4, 5371603), (43, 499684), (53, 405404), (86, 249842), (106, 202702), (172, 124921), (212, 101351), (2279, 9428), (2357, 9116), (4558, 4714)]