21631129

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{317}}^1$

素因数の和:540

約数の個数: 16

約数和(自身を含む): 24307920

約数和(自身を除く): 2676791

約数列:

[1, 13, 29, 181, 317, 377, 2353, 4121, 5249, 9193, 57377, 68237, 119509, 745901, 1663933, 21631129]

約数ペア:

[(1, 21631129), (13, 1663933), (29, 745901), (181, 119509), (317, 68237), (377, 57377), (2353, 9193), (4121, 5249)]