21871244

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{757}}^1$

素因数の和:1025

約数の個数: 24

約数和(自身を含む): 39731328

約数和(自身を除く): 17860084

約数列:

[1, 2, 4, 31, 62, 124, 233, 466, 757, 932, 1514, 3028, 7223, 14446, 23467, 28892, 46934, 93868, 176381, 352762, 705524, 5467811, 10935622, 21871244]

約数ペア:

[(1, 21871244), (2, 10935622), (4, 5467811), (31, 705524), (62, 352762), (124, 176381), (233, 93868), (466, 46934), (757, 28892), (932, 23467), (1514, 14446), (3028, 7223)]