21073095

素因数分解:

$3^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1123}}^1$

素因数の和:1276

約数の個数: 32

約数和(自身を含む): 37766400

約数和(自身を除く): 16693305

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 139, 417, 695, 1123, 1251, 2085, 3369, 3753, 5615, 6255, 10107, 16845, 18765, 30321, 50535, 151605, 156097, 468291, 780485, 1404873, 2341455, 4214619, 7024365, 21073095]

約数ペア:

[(1, 21073095), (3, 7024365), (5, 4214619), (9, 2341455), (15, 1404873), (27, 780485), (45, 468291), (135, 156097), (139, 151605), (417, 50535), (695, 30321), (1123, 18765), (1251, 16845), (2085, 10107), (3369, 6255), (3753, 5615)]