22011110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{18191}}^1$

素因数の和:18220

約数の個数: 24

約数和(自身を含む): 43551648

約数和(自身を除く): 21540538

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 18191, 36382, 90955, 181910, 200101, 400202, 1000505, 2001010, 2201111, 4402222, 11005555, 22011110]

約数ペア:

[(1, 22011110), (2, 11005555), (5, 4402222), (10, 2201111), (11, 2001010), (22, 1000505), (55, 400202), (110, 200101), (121, 181910), (242, 90955), (605, 36382), (1210, 18191)]