21310670

素因数分解:

$2^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{18859}}^1$

素因数の和:18979

約数の個数: 16

約数和(自身を含む): 38700720

約数和(自身を除く): 17390050

約数列:

[1, 2, 5, 10, 113, 226, 565, 1130, 18859, 37718, 94295, 188590, 2131067, 4262134, 10655335, 21310670]

約数ペア:

[(1, 21310670), (2, 10655335), (5, 4262134), (10, 2131067), (113, 188590), (226, 94295), (565, 37718), (1130, 18859)]