21071624

素因数分解:

$2^3\times 7^1\times {\mathrm{317}}^1\times {\mathrm{1187}}^1$

素因数の和:1517

約数の個数: 32

約数和(自身を含む): 45334080

約数和(自身を除く): 24262456

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 317, 634, 1187, 1268, 2219, 2374, 2536, 4438, 4748, 8309, 8876, 9496, 16618, 17752, 33236, 66472, 376279, 752558, 1505116, 2633953, 3010232, 5267906, 10535812, 21071624]

約数ペア:

[(1, 21071624), (2, 10535812), (4, 5267906), (7, 3010232), (8, 2633953), (14, 1505116), (28, 752558), (56, 376279), (317, 66472), (634, 33236), (1187, 17752), (1268, 16618), (2219, 9496), (2374, 8876), (2536, 8309), (4438, 4748)]