21940930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{18133}}^1$

素因数の和:18162

約数の個数: 24

約数和(自身を含む): 43412796

約数和(自身を除く): 21471866

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 18133, 36266, 90665, 181330, 199463, 398926, 997315, 1994630, 2194093, 4388186, 10970465, 21940930]

約数ペア:

[(1, 21940930), (2, 10970465), (5, 4388186), (10, 2194093), (11, 1994630), (22, 997315), (55, 398926), (110, 199463), (121, 181330), (242, 90665), (605, 36266), (1210, 18133)]