21519524

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{5669}}^1$

素因数の和:5759

約数の個数: 24

約数和(自身を含む): 41118840

約数和(自身を除く): 19599316

約数列:

[1, 2, 4, 13, 26, 52, 73, 146, 292, 949, 1898, 3796, 5669, 11338, 22676, 73697, 147394, 294788, 413837, 827674, 1655348, 5379881, 10759762, 21519524]

約数ペア:

[(1, 21519524), (2, 10759762), (4, 5379881), (13, 1655348), (26, 827674), (52, 413837), (73, 294788), (146, 147394), (292, 73697), (949, 22676), (1898, 11338), (3796, 5669)]