21208024

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{1459}}^1$

素因数の和:1567

約数の個数: 32

約数和(自身を含む): 42048000

約数和(自身を除く): 20839976

約数列:

[1, 2, 4, 8, 23, 46, 79, 92, 158, 184, 316, 632, 1459, 1817, 2918, 3634, 5836, 7268, 11672, 14536, 33557, 67114, 115261, 134228, 230522, 268456, 461044, 922088, 2651003, 5302006, 10604012, 21208024]

約数ペア:

[(1, 21208024), (2, 10604012), (4, 5302006), (8, 2651003), (23, 922088), (46, 461044), (79, 268456), (92, 230522), (158, 134228), (184, 115261), (316, 67114), (632, 33557), (1459, 14536), (1817, 11672), (2918, 7268), (3634, 5836)]