21282180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{354703}}^1$

素因数の和:354715

約数の個数: 24

約数和(自身を含む): 59590272

約数和(自身を除く): 38308092

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 354703, 709406, 1064109, 1418812, 1773515, 2128218, 3547030, 4256436, 5320545, 7094060, 10641090, 21282180]

約数ペア:

[(1, 21282180), (2, 10641090), (3, 7094060), (4, 5320545), (5, 4256436), (6, 3547030), (10, 2128218), (12, 1773515), (15, 1418812), (20, 1064109), (30, 709406), (60, 354703)]