21767858

素因数分解:

$2^1\times 7^2\times {\mathrm{151}}^1\times {\mathrm{1471}}^1$

素因数の和:1638

約数の個数: 24

約数和(自身を含む): 38260224

約数和(自身を除く): 16492366

約数列:

[1, 2, 7, 14, 49, 98, 151, 302, 1057, 1471, 2114, 2942, 7399, 10297, 14798, 20594, 72079, 144158, 222121, 444242, 1554847, 3109694, 10883929, 21767858]

約数ペア:

[(1, 21767858), (2, 10883929), (7, 3109694), (14, 1554847), (49, 444242), (98, 222121), (151, 144158), (302, 72079), (1057, 20594), (1471, 14798), (2114, 10297), (2942, 7399)]