21373870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{10529}}^1$

素因数の和:10572

約数の個数: 32

約数和(自身を含む): 45489600

約数和(自身を除く): 24115730

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 10529, 21058, 52645, 73703, 105290, 147406, 305341, 368515, 610682, 737030, 1526705, 2137387, 3053410, 4274774, 10686935, 21373870]

約数ペア:

[(1, 21373870), (2, 10686935), (5, 4274774), (7, 3053410), (10, 2137387), (14, 1526705), (29, 737030), (35, 610682), (58, 368515), (70, 305341), (145, 147406), (203, 105290), (290, 73703), (406, 52645), (1015, 21058), (2030, 10529)]