21163352

素因数分解:

$2^3\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1231}}^1$

素因数の和:1551

約数の個数: 32

約数和(自身を含む): 45534720

約数和(自身を除く): 24371368

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 307, 614, 1228, 1231, 2149, 2456, 2462, 4298, 4924, 8596, 8617, 9848, 17192, 17234, 34468, 68936, 377917, 755834, 1511668, 2645419, 3023336, 5290838, 10581676, 21163352]

約数ペア:

[(1, 21163352), (2, 10581676), (4, 5290838), (7, 3023336), (8, 2645419), (14, 1511668), (28, 755834), (56, 377917), (307, 68936), (614, 34468), (1228, 17234), (1231, 17192), (2149, 9848), (2456, 8617), (2462, 8596), (4298, 4924)]