21745329

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{22441}}^1$

素因数の和:22480

約数の個数: 16

約数和(自身を含む): 32316480

約数和(自身を除く): 10571151

約数列:

[1, 3, 17, 19, 51, 57, 323, 969, 22441, 67323, 381497, 426379, 1144491, 1279137, 7248443, 21745329]

約数ペア:

[(1, 21745329), (3, 7248443), (17, 1279137), (19, 1144491), (51, 426379), (57, 381497), (323, 67323), (969, 22441)]