21266756

素因数分解:

$2^2\times 7^1\times {\mathrm{617}}^1\times {\mathrm{1231}}^1$

素因数の和:1859

約数の個数: 24

約数和(自身を含む): 42637056

約数和(自身を除く): 21370300

約数列:

[1, 2, 4, 7, 14, 28, 617, 1231, 1234, 2462, 2468, 4319, 4924, 8617, 8638, 17234, 17276, 34468, 759527, 1519054, 3038108, 5316689, 10633378, 21266756]

約数ペア:

[(1, 21266756), (2, 10633378), (4, 5316689), (7, 3038108), (14, 1519054), (28, 759527), (617, 34468), (1231, 17276), (1234, 17234), (2462, 8638), (2468, 8617), (4319, 4924)]