21029512

素因数分解:

$2^3\times 7^1\times {\mathrm{375527}}^1$

素因数の和:375540

約数の個数: 16

約数和(自身を含む): 45063360

約数和(自身を除く): 24033848

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 375527, 751054, 1502108, 2628689, 3004216, 5257378, 10514756, 21029512]

約数ペア:

[(1, 21029512), (2, 10514756), (4, 5257378), (7, 3004216), (8, 2628689), (14, 1502108), (28, 751054), (56, 375527)]