21113616

素因数分解:

$2^4\times 3^1\times {\mathrm{439867}}^1$

素因数の和:439878

約数の個数: 20

約数和(自身を含む): 54543632

約数和(自身を除く): 33430016

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 439867, 879734, 1319601, 1759468, 2639202, 3518936, 5278404, 7037872, 10556808, 21113616]

約数ペア:

[(1, 21113616), (2, 10556808), (3, 7037872), (4, 5278404), (6, 3518936), (8, 2639202), (12, 1759468), (16, 1319601), (24, 879734), (48, 439867)]