21290448

素因数分解:

$2^4\times 3^1\times {\mathrm{443551}}^1$

素因数の和:443562

約数の個数: 20

約数和(自身を含む): 55000448

約数和(自身を除く): 33710000

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 443551, 887102, 1330653, 1774204, 2661306, 3548408, 5322612, 7096816, 10645224, 21290448]

約数ペア:

[(1, 21290448), (2, 10645224), (3, 7096816), (4, 5322612), (6, 3548408), (8, 2661306), (12, 1774204), (16, 1330653), (24, 887102), (48, 443551)]