21934647

素因数分解:

$3^2\times 7^1\times {\mathrm{397}}^1\times {\mathrm{877}}^1$

素因数の和:1287

約数の個数: 24

約数和(自身を含む): 36342176

約数和(自身を除く): 14407529

約数列:

[1, 3, 7, 9, 21, 63, 397, 877, 1191, 2631, 2779, 3573, 6139, 7893, 8337, 18417, 25011, 55251, 348169, 1044507, 2437183, 3133521, 7311549, 21934647]

約数ペア:

[(1, 21934647), (3, 7311549), (7, 3133521), (9, 2437183), (21, 1044507), (63, 348169), (397, 55251), (877, 25011), (1191, 18417), (2631, 8337), (2779, 7893), (3573, 6139)]