21794425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2699}}^1$

素因数の和:2745

約数の個数: 24

約数和(自身を含む): 30132000

約数和(自身を除く): 8337575

約数列:

[1, 5, 17, 19, 25, 85, 95, 323, 425, 475, 1615, 2699, 8075, 13495, 45883, 51281, 67475, 229415, 256405, 871777, 1147075, 1282025, 4358885, 21794425]

約数ペア:

[(1, 21794425), (5, 4358885), (17, 1282025), (19, 1147075), (25, 871777), (85, 256405), (95, 229415), (323, 67475), (425, 51281), (475, 45883), (1615, 13495), (2699, 8075)]