21375608

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{140629}}^1$

素因数の和:140654

約数の個数: 16

約数和(自身を含む): 42189000

約数和(自身を除く): 20813392

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 140629, 281258, 562516, 1125032, 2671951, 5343902, 10687804, 21375608]

約数ペア:

[(1, 21375608), (2, 10687804), (4, 5343902), (8, 2671951), (19, 1125032), (38, 562516), (76, 281258), (152, 140629)]