21664564

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{2239}}^1$

素因数の和:2343

約数の個数: 24

約数和(自身を含む): 39513600

約数和(自身を除く): 17849036

約数列:

[1, 2, 4, 41, 59, 82, 118, 164, 236, 2239, 2419, 4478, 4838, 8956, 9676, 91799, 132101, 183598, 264202, 367196, 528404, 5416141, 10832282, 21664564]

約数ペア:

[(1, 21664564), (2, 10832282), (4, 5416141), (41, 528404), (59, 367196), (82, 264202), (118, 183598), (164, 132101), (236, 91799), (2239, 9676), (2419, 8956), (4478, 4838)]