221789788

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{1021}}^1\times {\mathrm{4937}}^1$

素因数の和:5973

約数の個数: 24

約数和(自身を含む): 423917424

約数和(自身を除く): 202127636

約数列:

[1, 2, 4, 11, 22, 44, 1021, 2042, 4084, 4937, 9874, 11231, 19748, 22462, 44924, 54307, 108614, 217228, 5040677, 10081354, 20162708, 55447447, 110894894, 221789788]

約数ペア:

[(1, 221789788), (2, 110894894), (4, 55447447), (11, 20162708), (22, 10081354), (44, 5040677), (1021, 217228), (2042, 108614), (4084, 54307), (4937, 44924), (9874, 22462), (11231, 19748)]