21235299

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{1693}}^1$

素因数の和:1846

約数の個数: 16

約数和(自身を含む): 29353632

約数和(自身を除く): 8118333

約数列:

[1, 3, 37, 111, 113, 339, 1693, 4181, 5079, 12543, 62641, 187923, 191309, 573927, 7078433, 21235299]

約数ペア:

[(1, 21235299), (3, 7078433), (37, 573927), (111, 191309), (113, 187923), (339, 62641), (1693, 12543), (4181, 5079)]