21290616

素因数分解:

$2^3\times 3^2\times {\mathrm{295703}}^1$

素因数の和:295715

約数の個数: 24

約数和(自身を含む): 57662280

約数和(自身を除く): 36371664

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 295703, 591406, 887109, 1182812, 1774218, 2365624, 2661327, 3548436, 5322654, 7096872, 10645308, 21290616]

約数ペア:

[(1, 21290616), (2, 10645308), (3, 7096872), (4, 5322654), (6, 3548436), (8, 2661327), (9, 2365624), (12, 1774218), (18, 1182812), (24, 887109), (36, 591406), (72, 295703)]