21460142

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{2003}}^1$

素因数の和:2503

約数の個数: 16

約数和(自身を含む): 35206272

約数和(自身を除く): 13746130

約数列:

[1, 2, 11, 22, 487, 974, 2003, 4006, 5357, 10714, 22033, 44066, 975461, 1950922, 10730071, 21460142]

約数ペア:

[(1, 21460142), (2, 10730071), (11, 1950922), (22, 975461), (487, 44066), (974, 22033), (2003, 10714), (4006, 5357)]