21879090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{243101}}^1$

素因数の和:243114

約数の個数: 24

約数和(自身を含む): 56885868

約数和(自身を除く): 35006778

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 243101, 486202, 729303, 1215505, 1458606, 2187909, 2431010, 3646515, 4375818, 7293030, 10939545, 21879090]

約数ペア:

[(1, 21879090), (2, 10939545), (3, 7293030), (5, 4375818), (6, 3646515), (9, 2431010), (10, 2187909), (15, 1458606), (18, 1215505), (30, 729303), (45, 486202), (90, 243101)]