21175387

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1747}}^1$

素因数の和:1818

約数の個数: 16

約数和(自身を含む): 24164352

約数和(自身を除く): 2988965

約数列:

[1, 17, 23, 31, 391, 527, 713, 1747, 12121, 29699, 40181, 54157, 683077, 920669, 1245611, 21175387]

約数ペア:

[(1, 21175387), (17, 1245611), (23, 920669), (31, 683077), (391, 54157), (527, 40181), (713, 29699), (1747, 12121)]