21246165

素因数分解:

$3^3\times 5^1\times {\mathrm{337}}^1\times {\mathrm{467}}^1$

素因数の和:818

約数の個数: 32

約数和(自身を含む): 37964160

約数和(自身を除く): 16717995

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 337, 467, 1011, 1401, 1685, 2335, 3033, 4203, 5055, 7005, 9099, 12609, 15165, 21015, 45495, 63045, 157379, 472137, 786895, 1416411, 2360685, 4249233, 7082055, 21246165]

約数ペア:

[(1, 21246165), (3, 7082055), (5, 4249233), (9, 2360685), (15, 1416411), (27, 786895), (45, 472137), (135, 157379), (337, 63045), (467, 45495), (1011, 21015), (1401, 15165), (1685, 12609), (2335, 9099), (3033, 7005), (4203, 5055)]