2021201665

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1609}}^1\times {\mathrm{1889}}^1$

素因数の和:3529

約数の個数: 32

約数和(自身を含む): 2921184000

約数和(自身を除く): 899982335

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 1609, 1889, 8045, 9445, 11263, 13223, 30571, 35891, 56315, 66115, 152855, 179455, 213997, 251237, 1069985, 1256185, 3039401, 15197005, 21275807, 57748619, 106379035, 288743095, 404240333, 2021201665]

約数ペア:

[(1, 2021201665), (5, 404240333), (7, 288743095), (19, 106379035), (35, 57748619), (95, 21275807), (133, 15197005), (665, 3039401), (1609, 1256185), (1889, 1069985), (8045, 251237), (9445, 213997), (11263, 179455), (13223, 152855), (30571, 66115), (35891, 56315)]