21380662

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1439}}^1$

素因数の和:1500

約数の個数: 32

約数和(自身を含む): 37324800

約数和(自身を除く): 15944138

約数列:

[1, 2, 17, 19, 23, 34, 38, 46, 323, 391, 437, 646, 782, 874, 1439, 2878, 7429, 14858, 24463, 27341, 33097, 48926, 54682, 66194, 464797, 562649, 628843, 929594, 1125298, 1257686, 10690331, 21380662]

約数ペア:

[(1, 21380662), (2, 10690331), (17, 1257686), (19, 1125298), (23, 929594), (34, 628843), (38, 562649), (46, 464797), (323, 66194), (391, 54682), (437, 48926), (646, 33097), (782, 27341), (874, 24463), (1439, 14858), (2878, 7429)]