21536073

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 35852544

約数和(自身を除く): 14316471

約数列:

[1, 3, 9, 13, 23, 39, 53, 69, 117, 151, 159, 207, 299, 453, 477, 689, 897, 1219, 1359, 1963, 2067, 2691, 3473, 3657, 5889, 6201, 8003, 10419, 10971, 15847, 17667, 24009, 31257, 45149, 47541, 72027, 104039, 135447, 142623, 184069, 312117, 406341, 552207, 936351, 1656621, 2392897, 7178691, 21536073]

約数ペア:

[(1, 21536073), (3, 7178691), (9, 2392897), (13, 1656621), (23, 936351), (39, 552207), (53, 406341), (69, 312117), (117, 184069), (151, 142623), (159, 135447), (207, 104039), (299, 72027), (453, 47541), (477, 45149), (689, 31257), (897, 24009), (1219, 17667), (1359, 15847), (1963, 10971), (2067, 10419), (2691, 8003), (3473, 6201), (3657, 5889)]