21087794

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1063}}^1$

素因数の和:1194

約数の個数: 32

約数和(自身を含む): 39325440

約数和(自身を除く): 18237646

約数列:

[1, 2, 7, 13, 14, 26, 91, 109, 182, 218, 763, 1063, 1417, 1526, 2126, 2834, 7441, 9919, 13819, 14882, 19838, 27638, 96733, 115867, 193466, 231734, 811069, 1506271, 1622138, 3012542, 10543897, 21087794]

約数ペア:

[(1, 21087794), (2, 10543897), (7, 3012542), (13, 1622138), (14, 1506271), (26, 811069), (91, 231734), (109, 193466), (182, 115867), (218, 96733), (763, 27638), (1063, 19838), (1417, 14882), (1526, 13819), (2126, 9919), (2834, 7441)]