21853718

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{59}}^2\times {\mathrm{73}}^1$

素因数の和:236

約数の個数: 24

約数和(自身を含む): 34588488

約数和(自身を除く): 12734770

約数列:

[1, 2, 43, 59, 73, 86, 118, 146, 2537, 3139, 3481, 4307, 5074, 6278, 6962, 8614, 149683, 185201, 254113, 299366, 370402, 508226, 10926859, 21853718]

約数ペア:

[(1, 21853718), (2, 10926859), (43, 508226), (59, 370402), (73, 299366), (86, 254113), (118, 185201), (146, 149683), (2537, 8614), (3139, 6962), (3481, 6278), (4307, 5074)]