21870135

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{23143}}^1$

素因数の和:23164

約数の個数: 32

約数和(自身を含む): 44436480

約数和(自身を除く): 22566345

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 23143, 69429, 115715, 162001, 208287, 347145, 486003, 624861, 810005, 1041435, 1458009, 2430015, 3124305, 4374027, 7290045, 21870135]

約数ペア:

[(1, 21870135), (3, 7290045), (5, 4374027), (7, 3124305), (9, 2430015), (15, 1458009), (21, 1041435), (27, 810005), (35, 624861), (45, 486003), (63, 347145), (105, 208287), (135, 162001), (189, 115715), (315, 69429), (945, 23143)]