21263702

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{7027}}^1$

素因数の和:7135

約数の個数: 16

約数和(自身を含む): 34156080

約数和(自身を除く): 12892378

約数列:

[1, 2, 17, 34, 89, 178, 1513, 3026, 7027, 14054, 119459, 238918, 625403, 1250806, 10631851, 21263702]

約数ペア:

[(1, 21263702), (2, 10631851), (17, 1250806), (34, 625403), (89, 238918), (178, 119459), (1513, 14054), (3026, 7027)]