21471396

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^2\times {\mathrm{1307}}^1$

素因数の和:1388

約数の個数: 36

約数和(自身を含む): 51529968

約数和(自身を除く): 30058572

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 222, 444, 1307, 1369, 2614, 2738, 3921, 4107, 5228, 5476, 7842, 8214, 15684, 16428, 48359, 96718, 145077, 193436, 290154, 580308, 1789283, 3578566, 5367849, 7157132, 10735698, 21471396]

約数ペア:

[(1, 21471396), (2, 10735698), (3, 7157132), (4, 5367849), (6, 3578566), (12, 1789283), (37, 580308), (74, 290154), (111, 193436), (148, 145077), (222, 96718), (444, 48359), (1307, 16428), (1369, 15684), (2614, 8214), (2738, 7842), (3921, 5476), (4107, 5228)]