21171090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{5077}}^1$

素因数の和:5226

約数の個数: 32

約数和(自身を含む): 51186240

約数和(自身を除く): 30015150

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 139, 278, 417, 695, 834, 1390, 2085, 4170, 5077, 10154, 15231, 25385, 30462, 50770, 76155, 152310, 705703, 1411406, 2117109, 3528515, 4234218, 7057030, 10585545, 21171090]

約数ペア:

[(1, 21171090), (2, 10585545), (3, 7057030), (5, 4234218), (6, 3528515), (10, 2117109), (15, 1411406), (30, 705703), (139, 152310), (278, 76155), (417, 50770), (695, 30462), (834, 25385), (1390, 15231), (2085, 10154), (4170, 5077)]