21742150

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{25579}}^1$

素因数の和:25608

約数の個数: 24

約数和(自身を含む): 42820920

約数和(自身を除く): 21078770

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 425, 850, 25579, 51158, 127895, 255790, 434843, 639475, 869686, 1278950, 2174215, 4348430, 10871075, 21742150]

約数ペア:

[(1, 21742150), (2, 10871075), (5, 4348430), (10, 2174215), (17, 1278950), (25, 869686), (34, 639475), (50, 434843), (85, 255790), (170, 127895), (425, 51158), (850, 25579)]