21434425

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:337

約数の個数: 24

約数和(自身を含む): 27585536

約数和(自身を除く): 6151111

約数列:

[1, 5, 25, 43, 127, 157, 215, 635, 785, 1075, 3175, 3925, 5461, 6751, 19939, 27305, 33755, 99695, 136525, 168775, 498475, 857377, 4286885, 21434425]

約数ペア:

[(1, 21434425), (5, 4286885), (25, 857377), (43, 498475), (127, 168775), (157, 136525), (215, 99695), (635, 33755), (785, 27305), (1075, 19939), (3175, 6751), (3925, 5461)]