21200770

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{463}}^1$

素因数の和:730

約数の個数: 32

約数和(自身を含む): 40423680

約数和(自身を除く): 19222910

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 241, 463, 482, 926, 1205, 2315, 2410, 4579, 4630, 8797, 9158, 17594, 22895, 43985, 45790, 87970, 111583, 223166, 557915, 1115830, 2120077, 4240154, 10600385, 21200770]

約数ペア:

[(1, 21200770), (2, 10600385), (5, 4240154), (10, 2120077), (19, 1115830), (38, 557915), (95, 223166), (190, 111583), (241, 87970), (463, 45790), (482, 43985), (926, 22895), (1205, 17594), (2315, 9158), (2410, 8797), (4579, 4630)]