21626080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19309}}^1$

素因数の和:19331

約数の個数: 48

約数和(自身を含む): 58393440

約数和(自身を除く): 36767360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 19309, 38618, 77236, 96545, 135163, 154472, 193090, 270326, 308944, 386180, 540652, 617888, 675815, 772360, 1081304, 1351630, 1544720, 2162608, 2703260, 3089440, 4325216, 5406520, 10813040, 21626080]

約数ペア:

[(1, 21626080), (2, 10813040), (4, 5406520), (5, 4325216), (7, 3089440), (8, 2703260), (10, 2162608), (14, 1544720), (16, 1351630), (20, 1081304), (28, 772360), (32, 675815), (35, 617888), (40, 540652), (56, 386180), (70, 308944), (80, 270326), (112, 193090), (140, 154472), (160, 135163), (224, 96545), (280, 77236), (560, 38618), (1120, 19309)]