21541041

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{5477}}^1$

素因数の和:5525

約数の個数: 24

約数和(自身を含む): 34182720

約数和(自身を除く): 12641679

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 437, 1311, 3933, 5477, 16431, 49293, 104063, 125971, 312189, 377913, 936567, 1133739, 2393449, 7180347, 21541041]

約数ペア:

[(1, 21541041), (3, 7180347), (9, 2393449), (19, 1133739), (23, 936567), (57, 377913), (69, 312189), (171, 125971), (207, 104063), (437, 49293), (1311, 16431), (3933, 5477)]