21192380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{96329}}^1$

素因数の和:96349

約数の個数: 24

約数和(自身を含む): 48550320

約数和(自身を除く): 27357940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 96329, 192658, 385316, 481645, 963290, 1059619, 1926580, 2119238, 4238476, 5298095, 10596190, 21192380]

約数ペア:

[(1, 21192380), (2, 10596190), (4, 5298095), (5, 4238476), (10, 2119238), (11, 1926580), (20, 1059619), (22, 963290), (44, 481645), (55, 385316), (110, 192658), (220, 96329)]