21651850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{39367}}^1$

素因数の和:39390

約数の個数: 24

約数和(自身を含む): 43934688

約数和(自身を除く): 22282838

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 39367, 78734, 196835, 393670, 433037, 866074, 984175, 1968350, 2165185, 4330370, 10825925, 21651850]

約数ペア:

[(1, 21651850), (2, 10825925), (5, 4330370), (10, 2165185), (11, 1968350), (22, 984175), (25, 866074), (50, 433037), (55, 393670), (110, 196835), (275, 78734), (550, 39367)]