21595360

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1901}}^1$

素因数の和:1987

約数の個数: 48

約数和(自身を含む): 51764832

約数和(自身を除く): 30169472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 1901, 2272, 2840, 3802, 5680, 7604, 9505, 11360, 15208, 19010, 30416, 38020, 60832, 76040, 134971, 152080, 269942, 304160, 539884, 674855, 1079768, 1349710, 2159536, 2699420, 4319072, 5398840, 10797680, 21595360]

約数ペア:

[(1, 21595360), (2, 10797680), (4, 5398840), (5, 4319072), (8, 2699420), (10, 2159536), (16, 1349710), (20, 1079768), (32, 674855), (40, 539884), (71, 304160), (80, 269942), (142, 152080), (160, 134971), (284, 76040), (355, 60832), (568, 38020), (710, 30416), (1136, 19010), (1420, 15208), (1901, 11360), (2272, 9505), (2840, 7604), (3802, 5680)]