21265542

素因数分解:

$2^1\times 3^2\times {\mathrm{821}}^1\times {\mathrm{1439}}^1$

素因数の和:2268

約数の個数: 24

約数和(自身を含む): 46163520

約数和(自身を除く): 24897978

約数列:

[1, 2, 3, 6, 9, 18, 821, 1439, 1642, 2463, 2878, 4317, 4926, 7389, 8634, 12951, 14778, 25902, 1181419, 2362838, 3544257, 7088514, 10632771, 21265542]

約数ペア:

[(1, 21265542), (2, 10632771), (3, 7088514), (6, 3544257), (9, 2362838), (18, 1181419), (821, 25902), (1439, 14778), (1642, 12951), (2463, 8634), (2878, 7389), (4317, 4926)]