21381070

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{727}}^1$

素因数の和:924

約数の個数: 32

約数和(自身を含む): 41041728

約数和(自身を除く): 19660658

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 173, 346, 727, 865, 1454, 1730, 2941, 3635, 5882, 7270, 12359, 14705, 24718, 29410, 61795, 123590, 125771, 251542, 628855, 1257710, 2138107, 4276214, 10690535, 21381070]

約数ペア:

[(1, 21381070), (2, 10690535), (5, 4276214), (10, 2138107), (17, 1257710), (34, 628855), (85, 251542), (170, 125771), (173, 123590), (346, 61795), (727, 29410), (865, 24718), (1454, 14705), (1730, 12359), (2941, 7270), (3635, 5882)]