21052860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{350881}}^1$

素因数の和:350893

約数の個数: 24

約数和(自身を含む): 58948176

約数和(自身を除く): 37895316

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 350881, 701762, 1052643, 1403524, 1754405, 2105286, 3508810, 4210572, 5263215, 7017620, 10526430, 21052860]

約数ペア:

[(1, 21052860), (2, 10526430), (3, 7017620), (4, 5263215), (5, 4210572), (6, 3508810), (10, 2105286), (12, 1754405), (15, 1403524), (20, 1052643), (30, 701762), (60, 350881)]