21480452

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{45127}}^1$

素因数の和:45155

約数の個数: 24

約数和(自身を含む): 45489024

約数和(自身を除く): 24008572

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 45127, 90254, 180508, 315889, 631778, 767159, 1263556, 1534318, 3068636, 5370113, 10740226, 21480452]

約数ペア:

[(1, 21480452), (2, 10740226), (4, 5370113), (7, 3068636), (14, 1534318), (17, 1263556), (28, 767159), (34, 631778), (68, 315889), (119, 180508), (238, 90254), (476, 45127)]