21541386

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{1123}}^1$

素因数の和:1290

約数の個数: 32

約数和(自身を含む): 45319680

約数和(自身を除く): 23778294

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 139, 278, 417, 834, 1123, 2246, 3197, 3369, 6394, 6738, 9591, 19182, 25829, 51658, 77487, 154974, 156097, 312194, 468291, 936582, 3590231, 7180462, 10770693, 21541386]

約数ペア:

[(1, 21541386), (2, 10770693), (3, 7180462), (6, 3590231), (23, 936582), (46, 468291), (69, 312194), (138, 156097), (139, 154974), (278, 77487), (417, 51658), (834, 25829), (1123, 19182), (2246, 9591), (3197, 6738), (3369, 6394)]