21744569

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 29030400

約数和(自身を除く): 7285831

約数列:

[1, 7, 11, 19, 77, 89, 133, 167, 209, 623, 979, 1169, 1463, 1691, 1837, 3173, 6853, 11837, 12859, 14863, 18601, 22211, 34903, 104041, 130207, 163493, 244321, 282397, 1144451, 1976779, 3106367, 21744569]

約数ペア:

[(1, 21744569), (7, 3106367), (11, 1976779), (19, 1144451), (77, 282397), (89, 244321), (133, 163493), (167, 130207), (209, 104041), (623, 34903), (979, 22211), (1169, 18601), (1463, 14863), (1691, 12859), (1837, 11837), (3173, 6853)]