21718042

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:366

約数の個数: 32

約数和(自身を含む): 35665920

約数和(自身を除く): 13947878

約数列:

[1, 2, 29, 31, 47, 58, 62, 94, 257, 514, 899, 1363, 1457, 1798, 2726, 2914, 7453, 7967, 12079, 14906, 15934, 24158, 42253, 84506, 231043, 350291, 374449, 462086, 700582, 748898, 10859021, 21718042]

約数ペア:

[(1, 21718042), (2, 10859021), (29, 748898), (31, 700582), (47, 462086), (58, 374449), (62, 350291), (94, 231043), (257, 84506), (514, 42253), (899, 24158), (1363, 15934), (1457, 14906), (1798, 12079), (2726, 7967), (2914, 7453)]