21817010

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{21601}}^1$

素因数の和:21709

約数の個数: 16

約数和(自身を含む): 39661272

約数和(自身を除く): 17844262

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 21601, 43202, 108005, 216010, 2181701, 4363402, 10908505, 21817010]

約数ペア:

[(1, 21817010), (2, 10908505), (5, 4363402), (10, 2181701), (101, 216010), (202, 108005), (505, 43202), (1010, 21601)]