21726392

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{66239}}^1$

素因数の和:66286

約数の個数: 16

約数和(自身を含む): 41731200

約数和(自身を除く): 20004808

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 66239, 132478, 264956, 529912, 2715799, 5431598, 10863196, 21726392]

約数ペア:

[(1, 21726392), (2, 10863196), (4, 5431598), (8, 2715799), (41, 529912), (82, 264956), (164, 132478), (328, 66239)]