21337758

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1361}}^1$

素因数の和:1449

約数の個数: 48

約数和(自身を含む): 50568336

約数和(自身を除く): 29230578

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 67, 78, 117, 134, 201, 234, 402, 603, 871, 1206, 1361, 1742, 2613, 2722, 4083, 5226, 7839, 8166, 12249, 15678, 17693, 24498, 35386, 53079, 91187, 106158, 159237, 182374, 273561, 318474, 547122, 820683, 1185431, 1641366, 2370862, 3556293, 7112586, 10668879, 21337758]

約数ペア:

[(1, 21337758), (2, 10668879), (3, 7112586), (6, 3556293), (9, 2370862), (13, 1641366), (18, 1185431), (26, 820683), (39, 547122), (67, 318474), (78, 273561), (117, 182374), (134, 159237), (201, 106158), (234, 91187), (402, 53079), (603, 35386), (871, 24498), (1206, 17693), (1361, 15678), (1742, 12249), (2613, 8166), (2722, 7839), (4083, 5226)]