21332912

素因数分解:

$2^4\times {\mathrm{421}}^1\times {\mathrm{3167}}^1$

素因数の和:3596

約数の個数: 20

約数和(自身を含む): 41443776

約数和(自身を除く): 20110864

約数列:

[1, 2, 4, 8, 16, 421, 842, 1684, 3167, 3368, 6334, 6736, 12668, 25336, 50672, 1333307, 2666614, 5333228, 10666456, 21332912]

約数ペア:

[(1, 21332912), (2, 10666456), (4, 5333228), (8, 2666614), (16, 1333307), (421, 50672), (842, 25336), (1684, 12668), (3167, 6736), (3368, 6334)]