21393584

素因数分解:

$2^4\times {\mathrm{937}}^1\times {\mathrm{1427}}^1$

素因数の和:2372

約数の個数: 20

約数和(自身を含む): 41523384

約数和(自身を除く): 20129800

約数列:

[1, 2, 4, 8, 16, 937, 1427, 1874, 2854, 3748, 5708, 7496, 11416, 14992, 22832, 1337099, 2674198, 5348396, 10696792, 21393584]

約数ペア:

[(1, 21393584), (2, 10696792), (4, 5348396), (8, 2674198), (16, 1337099), (937, 22832), (1427, 14992), (1874, 11416), (2854, 7496), (3748, 5708)]