21359002

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{11471}}^1$

素因数の和:11506

約数の個数: 24

約数和(自身を含む): 39234240

約数和(自身を除く): 17875238

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 931, 1862, 11471, 22942, 80297, 160594, 217949, 435898, 562079, 1124158, 1525643, 3051286, 10679501, 21359002]

約数ペア:

[(1, 21359002), (2, 10679501), (7, 3051286), (14, 1525643), (19, 1124158), (38, 562079), (49, 435898), (98, 217949), (133, 160594), (266, 80297), (931, 22942), (1862, 11471)]