21281454

素因数分解:

$2^1\times 3^5\times {\mathrm{43789}}^1$

素因数の和:43806

約数の個数: 24

約数和(自身を含む): 47818680

約数和(自身を除く): 26537226

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 43789, 87578, 131367, 262734, 394101, 788202, 1182303, 2364606, 3546909, 7093818, 10640727, 21281454]

約数ペア:

[(1, 21281454), (2, 10640727), (3, 7093818), (6, 3546909), (9, 2364606), (18, 1182303), (27, 788202), (54, 394101), (81, 262734), (162, 131367), (243, 87578), (486, 43789)]