21230135

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{1481}}^1$

素因数の和:1594

約数の個数: 16

約数和(自身を含む): 26462592

約数和(自身を除く): 5232457

約数列:

[1, 5, 47, 61, 235, 305, 1481, 2867, 7405, 14335, 69607, 90341, 348035, 451705, 4246027, 21230135]

約数ペア:

[(1, 21230135), (5, 4246027), (47, 451705), (61, 348035), (235, 90341), (305, 69607), (1481, 14335), (2867, 7405)]