21787234

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2953}}^1$

素因数の和:3010

約数の個数: 32

約数和(自身を含む): 40836096

約数和(自身を除く): 19048862

約数列:

[1, 2, 7, 14, 17, 31, 34, 62, 119, 217, 238, 434, 527, 1054, 2953, 3689, 5906, 7378, 20671, 41342, 50201, 91543, 100402, 183086, 351407, 640801, 702814, 1281602, 1556231, 3112462, 10893617, 21787234]

約数ペア:

[(1, 21787234), (2, 10893617), (7, 3112462), (14, 1556231), (17, 1281602), (31, 702814), (34, 640801), (62, 351407), (119, 183086), (217, 100402), (238, 91543), (434, 50201), (527, 41342), (1054, 20671), (2953, 7378), (3689, 5906)]