21319258

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1$

素因数の和:342

約数の個数: 32

約数和(自身を含む): 35458560

約数和(自身を除く): 14139302

約数列:

[1, 2, 17, 31, 34, 62, 113, 179, 226, 358, 527, 1054, 1921, 3043, 3503, 3842, 5549, 6086, 7006, 11098, 20227, 40454, 59551, 94333, 119102, 188666, 343859, 627037, 687718, 1254074, 10659629, 21319258]

約数ペア:

[(1, 21319258), (2, 10659629), (17, 1254074), (31, 687718), (34, 627037), (62, 343859), (113, 188666), (179, 119102), (226, 94333), (358, 59551), (527, 40454), (1054, 20227), (1921, 11098), (3043, 7006), (3503, 6086), (3842, 5549)]