21534435

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{281}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 40648608

約数和(自身を除く): 19114173

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 131, 195, 281, 393, 585, 655, 843, 1179, 1405, 1703, 1965, 2529, 3653, 4215, 5109, 5895, 8515, 10959, 12645, 15327, 18265, 25545, 32877, 36811, 54795, 76635, 110433, 164385, 184055, 331299, 478543, 552165, 1435629, 1656495, 2392715, 4306887, 7178145, 21534435]

約数ペア:

[(1, 21534435), (3, 7178145), (5, 4306887), (9, 2392715), (13, 1656495), (15, 1435629), (39, 552165), (45, 478543), (65, 331299), (117, 184055), (131, 164385), (195, 110433), (281, 76635), (393, 54795), (585, 36811), (655, 32877), (843, 25545), (1179, 18265), (1405, 15327), (1703, 12645), (1965, 10959), (2529, 8515), (3653, 5895), (4215, 5109)]