21321380

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{36761}}^1$

素因数の和:36799

約数の個数: 24

約数和(自身を含む): 46320120

約数和(自身を除く): 24998740

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 36761, 73522, 147044, 183805, 367610, 735220, 1066069, 2132138, 4264276, 5330345, 10660690, 21321380]

約数ペア:

[(1, 21321380), (2, 10660690), (4, 5330345), (5, 4264276), (10, 2132138), (20, 1066069), (29, 735220), (58, 367610), (116, 183805), (145, 147044), (290, 73522), (580, 36761)]