21245284

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{7963}}^1$

素因数の和:8019

約数の個数: 24

約数和(自身を含む): 40138560

約数和(自身を除く): 18893276

約数列:

[1, 2, 4, 23, 29, 46, 58, 92, 116, 667, 1334, 2668, 7963, 15926, 31852, 183149, 230927, 366298, 461854, 732596, 923708, 5311321, 10622642, 21245284]

約数ペア:

[(1, 21245284), (2, 10622642), (4, 5311321), (23, 923708), (29, 732596), (46, 461854), (58, 366298), (92, 230927), (116, 183149), (667, 31852), (1334, 15926), (2668, 7963)]