21494290

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{2143}}^1$

素因数の和:2226

約数の個数: 32

約数和(自身を含む): 41679360

約数和(自身を除く): 20185070

約数列:

[1, 2, 5, 10, 17, 34, 59, 85, 118, 170, 295, 590, 1003, 2006, 2143, 4286, 5015, 10030, 10715, 21430, 36431, 72862, 126437, 182155, 252874, 364310, 632185, 1264370, 2149429, 4298858, 10747145, 21494290]

約数ペア:

[(1, 21494290), (2, 10747145), (5, 4298858), (10, 2149429), (17, 1264370), (34, 632185), (59, 364310), (85, 252874), (118, 182155), (170, 126437), (295, 72862), (590, 36431), (1003, 21430), (2006, 10715), (2143, 10030), (4286, 5015)]