21894435

素因数分解:

$3^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1033}}^1$

素因数の和:1204

約数の個数: 32

約数和(自身を含む): 39209280

約数和(自身を除く): 17314845

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 157, 471, 785, 1033, 1413, 2355, 3099, 4239, 5165, 7065, 9297, 15495, 21195, 27891, 46485, 139455, 162181, 486543, 810905, 1459629, 2432715, 4378887, 7298145, 21894435]

約数ペア:

[(1, 21894435), (3, 7298145), (5, 4378887), (9, 2432715), (15, 1459629), (27, 810905), (45, 486543), (135, 162181), (157, 139455), (471, 46485), (785, 27891), (1033, 21195), (1413, 15495), (2355, 9297), (3099, 7065), (4239, 5165)]