21000836336

素因数分解:

$2^4\times {\mathrm{449}}^1\times {\mathrm{2923279}}^1$

素因数の和:2923736

約数の個数: 20

約数和(自身を含む): 40779756000

約数和(自身を除く): 19778919664

約数列:

[1, 2, 4, 8, 16, 449, 898, 1796, 3592, 7184, 2923279, 5846558, 11693116, 23386232, 46772464, 1312552271, 2625104542, 5250209084, 10500418168, 21000836336]

約数ペア:

[(1, 21000836336), (2, 10500418168), (4, 5250209084), (8, 2625104542), (16, 1312552271), (449, 46772464), (898, 23386232), (1796, 11693116), (3592, 5846558), (7184, 2923279)]