21467270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{195157}}^1$

素因数の和:195175

約数の個数: 16

約数和(自身を含む): 42154128

約数和(自身を除く): 20686858

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 195157, 390314, 975785, 1951570, 2146727, 4293454, 10733635, 21467270]

約数ペア:

[(1, 21467270), (2, 10733635), (5, 4293454), (10, 2146727), (11, 1951570), (22, 975785), (55, 390314), (110, 195157)]