21305744

素因数分解:

$2^4\times {\mathrm{863}}^1\times {\mathrm{1543}}^1$

素因数の和:2414

約数の個数: 20

約数和(自身を含む): 41354496

約数和(自身を除く): 20048752

約数列:

[1, 2, 4, 8, 16, 863, 1543, 1726, 3086, 3452, 6172, 6904, 12344, 13808, 24688, 1331609, 2663218, 5326436, 10652872, 21305744]

約数ペア:

[(1, 21305744), (2, 10652872), (4, 5326436), (8, 2663218), (16, 1331609), (863, 24688), (1543, 13808), (1726, 12344), (3086, 6904), (3452, 6172)]