21025396

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{44171}}^1$

素因数の和:44199

約数の個数: 24

約数和(自身を含む): 44525376

約数和(自身を除く): 23499980

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 44171, 88342, 176684, 309197, 618394, 750907, 1236788, 1501814, 3003628, 5256349, 10512698, 21025396]

約数ペア:

[(1, 21025396), (2, 10512698), (4, 5256349), (7, 3003628), (14, 1501814), (17, 1236788), (28, 750907), (34, 618394), (68, 309197), (119, 176684), (238, 88342), (476, 44171)]