21619455

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{10079}}^1$

素因数の和:10111

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 19023105

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 715, 2145, 10079, 30237, 50395, 110869, 131027, 151185, 332607, 393081, 554345, 655135, 1441297, 1663035, 1965405, 4323891, 7206485, 21619455]

約数ペア:

[(1, 21619455), (3, 7206485), (5, 4323891), (11, 1965405), (13, 1663035), (15, 1441297), (33, 655135), (39, 554345), (55, 393081), (65, 332607), (143, 151185), (165, 131027), (195, 110869), (429, 50395), (715, 30237), (2145, 10079)]