21740450

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{25577}}^1$

素因数の和:25606

約数の個数: 24

約数和(自身を含む): 42817572

約数和(自身を除く): 21077122

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 425, 850, 25577, 51154, 127885, 255770, 434809, 639425, 869618, 1278850, 2174045, 4348090, 10870225, 21740450]

約数ペア:

[(1, 21740450), (2, 10870225), (5, 4348090), (10, 2174045), (17, 1278850), (25, 869618), (34, 639425), (50, 434809), (85, 255770), (170, 127885), (425, 51154), (850, 25577)]