21725130

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{14779}}^1$

素因数の和:14803

約数の個数: 48

約数和(自身を含む): 60657120

約数和(自身を除く): 38931990

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 14779, 29558, 44337, 73895, 88674, 103453, 147790, 206906, 221685, 310359, 443370, 517265, 620718, 724171, 1034530, 1448342, 1551795, 2172513, 3103590, 3620855, 4345026, 7241710, 10862565, 21725130]

約数ペア:

[(1, 21725130), (2, 10862565), (3, 7241710), (5, 4345026), (6, 3620855), (7, 3103590), (10, 2172513), (14, 1551795), (15, 1448342), (21, 1034530), (30, 724171), (35, 620718), (42, 517265), (49, 443370), (70, 310359), (98, 221685), (105, 206906), (147, 147790), (210, 103453), (245, 88674), (294, 73895), (490, 44337), (735, 29558), (1470, 14779)]