21620672

素因数分解:

$2^6\times {\mathrm{499}}^1\times {\mathrm{677}}^1$

素因数の和:1188

約数の個数: 28

約数和(自身を含む): 43053000

約数和(自身を除く): 21432328

約数列:

[1, 2, 4, 8, 16, 32, 64, 499, 677, 998, 1354, 1996, 2708, 3992, 5416, 7984, 10832, 15968, 21664, 31936, 43328, 337823, 675646, 1351292, 2702584, 5405168, 10810336, 21620672]

約数ペア:

[(1, 21620672), (2, 10810336), (4, 5405168), (8, 2702584), (16, 1351292), (32, 675646), (64, 337823), (499, 43328), (677, 31936), (998, 21664), (1354, 15968), (1996, 10832), (2708, 7984), (3992, 5416)]