21351570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{17359}}^1$

素因数の和:17410

約数の個数: 32

約数和(自身を含む): 52496640

約数和(自身を除く): 31145070

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 123, 205, 246, 410, 615, 1230, 17359, 34718, 52077, 86795, 104154, 173590, 260385, 520770, 711719, 1423438, 2135157, 3558595, 4270314, 7117190, 10675785, 21351570]

約数ペア:

[(1, 21351570), (2, 10675785), (3, 7117190), (5, 4270314), (6, 3558595), (10, 2135157), (15, 1423438), (30, 711719), (41, 520770), (82, 260385), (123, 173590), (205, 104154), (246, 86795), (410, 52077), (615, 34718), (1230, 17359)]