21942950

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{4931}}^1$

素因数の和:5032

約数の個数: 24

約数和(自身を含む): 41280840

約数和(自身を除く): 19337890

約数列:

[1, 2, 5, 10, 25, 50, 89, 178, 445, 890, 2225, 4450, 4931, 9862, 24655, 49310, 123275, 246550, 438859, 877718, 2194295, 4388590, 10971475, 21942950]

約数ペア:

[(1, 21942950), (2, 10971475), (5, 4388590), (10, 2194295), (25, 877718), (50, 438859), (89, 246550), (178, 123275), (445, 49310), (890, 24655), (2225, 9862), (4450, 4931)]