21462032

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{25309}}^1$

素因数の和:25370

約数の個数: 20

約数和(自身を含む): 42368940

約数和(自身を除く): 20906908

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 25309, 50618, 101236, 202472, 404944, 1341377, 2682754, 5365508, 10731016, 21462032]

約数ペア:

[(1, 21462032), (2, 10731016), (4, 5365508), (8, 2682754), (16, 1341377), (53, 404944), (106, 202472), (212, 101236), (424, 50618), (848, 25309)]