21819688

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{22541}}^1$

素因数の和:22569

約数の個数: 24

約数和(自身を含む): 44971290

約数和(自身を除く): 23151602

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 22541, 45082, 90164, 180328, 247951, 495902, 991804, 1983608, 2727461, 5454922, 10909844, 21819688]

約数ペア:

[(1, 21819688), (2, 10909844), (4, 5454922), (8, 2727461), (11, 1983608), (22, 991804), (44, 495902), (88, 247951), (121, 180328), (242, 90164), (484, 45082), (968, 22541)]