21725158

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1511}}^1$

素因数の和:1612

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 18917402

約数列:

[1, 2, 7, 13, 14, 26, 79, 91, 158, 182, 553, 1027, 1106, 1511, 2054, 3022, 7189, 10577, 14378, 19643, 21154, 39286, 119369, 137501, 238738, 275002, 835583, 1551797, 1671166, 3103594, 10862579, 21725158]

約数ペア:

[(1, 21725158), (2, 10862579), (7, 3103594), (13, 1671166), (14, 1551797), (26, 835583), (79, 275002), (91, 238738), (158, 137501), (182, 119369), (553, 39286), (1027, 21154), (1106, 19643), (1511, 14378), (2054, 10577), (3022, 7189)]