21659716

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{179}}^2$

素因数の和:388

約数の個数: 27

約数和(自身を含む): 41275101

約数和(自身を除く): 19615385

約数列:

[1, 2, 4, 13, 26, 52, 169, 179, 338, 358, 676, 716, 2327, 4654, 9308, 30251, 32041, 60502, 64082, 121004, 128164, 416533, 833066, 1666132, 5414929, 10829858, 21659716]

約数ペア:

[(1, 21659716), (2, 10829858), (4, 5414929), (13, 1666132), (26, 833066), (52, 416533), (169, 128164), (179, 121004), (338, 64082), (358, 60502), (676, 32041), (716, 30251), (2327, 9308)]