21456528

素因数分解:

$2^4\times 3^1\times {\mathrm{447011}}^1$

素因数の和:447022

約数の個数: 20

約数和(自身を含む): 55429488

約数和(自身を除く): 33972960

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 447011, 894022, 1341033, 1788044, 2682066, 3576088, 5364132, 7152176, 10728264, 21456528]

約数ペア:

[(1, 21456528), (2, 10728264), (3, 7152176), (4, 5364132), (6, 3576088), (8, 2682066), (12, 1788044), (16, 1341033), (24, 894022), (48, 447011)]