21042064

素因数分解:

$2^4\times {\mathrm{859}}^1\times {\mathrm{1531}}^1$

素因数の和:2398

約数の個数: 20

約数和(自身を含む): 40843120

約数和(自身を除く): 19801056

約数列:

[1, 2, 4, 8, 16, 859, 1531, 1718, 3062, 3436, 6124, 6872, 12248, 13744, 24496, 1315129, 2630258, 5260516, 10521032, 21042064]

約数ペア:

[(1, 21042064), (2, 10521032), (4, 5260516), (8, 2630258), (16, 1315129), (859, 24496), (1531, 13744), (1718, 12248), (3062, 6872), (3436, 6124)]