21863710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{198761}}^1$

素因数の和:198779

約数の個数: 16

約数和(自身を含む): 42932592

約数和(自身を除く): 21068882

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 198761, 397522, 993805, 1987610, 2186371, 4372742, 10931855, 21863710]

約数ペア:

[(1, 21863710), (2, 10931855), (5, 4372742), (10, 2186371), (11, 1987610), (22, 993805), (55, 397522), (110, 198761)]