21794620

素因数分解:

$2^2\times 5^1\times {\mathrm{937}}^1\times {\mathrm{1163}}^1$

素因数の和:2109

約数の個数: 24

約数和(自身を含む): 45856944

約数和(自身を除く): 24062324

約数列:

[1, 2, 4, 5, 10, 20, 937, 1163, 1874, 2326, 3748, 4652, 4685, 5815, 9370, 11630, 18740, 23260, 1089731, 2179462, 4358924, 5448655, 10897310, 21794620]

約数ペア:

[(1, 21794620), (2, 10897310), (4, 5448655), (5, 4358924), (10, 2179462), (20, 1089731), (937, 23260), (1163, 18740), (1874, 11630), (2326, 9370), (3748, 5815), (4652, 4685)]