21939585

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3347}}^1$

素因数の和:3397

約数の個数: 32

約数和(自身を含む): 38568960

約数和(自身を除く): 16629375

約数列:

[1, 3, 5, 15, 19, 23, 57, 69, 95, 115, 285, 345, 437, 1311, 2185, 3347, 6555, 10041, 16735, 50205, 63593, 76981, 190779, 230943, 317965, 384905, 953895, 1154715, 1462639, 4387917, 7313195, 21939585]

約数ペア:

[(1, 21939585), (3, 7313195), (5, 4387917), (15, 1462639), (19, 1154715), (23, 953895), (57, 384905), (69, 317965), (95, 230943), (115, 190779), (285, 76981), (345, 63593), (437, 50205), (1311, 16735), (2185, 10041), (3347, 6555)]