21813142

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{2903}}^1$

素因数の和:2952

約数の個数: 24

約数和(自身を含む): 37444176

約数和(自身を除く): 15631034

約数列:

[1, 2, 13, 17, 26, 34, 221, 289, 442, 578, 2903, 3757, 5806, 7514, 37739, 49351, 75478, 98702, 641563, 838967, 1283126, 1677934, 10906571, 21813142]

約数ペア:

[(1, 21813142), (2, 10906571), (13, 1677934), (17, 1283126), (26, 838967), (34, 641563), (221, 98702), (289, 75478), (442, 49351), (578, 37739), (2903, 7514), (3757, 5806)]