21520512165

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3319}}^1\times {\mathrm{22751}}^1$

素因数の和:26097

約数の個数: 32

約数和(自身を含む): 36257587200

約数和(自身を除く): 14737075035

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 3319, 9957, 16595, 22751, 49785, 63061, 68253, 113755, 189183, 315305, 341265, 432269, 945915, 1296807, 2161345, 6484035, 75510569, 226531707, 377552845, 1132658535, 1434700811, 4304102433, 7173504055, 21520512165]

約数ペア:

[(1, 21520512165), (3, 7173504055), (5, 4304102433), (15, 1434700811), (19, 1132658535), (57, 377552845), (95, 226531707), (285, 75510569), (3319, 6484035), (9957, 2161345), (16595, 1296807), (22751, 945915), (49785, 432269), (63061, 341265), (68253, 315305), (113755, 189183)]