21570080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19259}}^1$

素因数の和:19281

約数の個数: 48

約数和(自身を含む): 58242240

約数和(自身を除く): 36672160

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, 19259, 38518, 77036, 96295, 134813, 154072, 192590, 269626, 308144, 385180, 539252, 616288, 674065, 770360, 1078504, 1348130, 1540720, 2157008, 2696260, 3081440, 4314016, 5392520, 10785040, 21570080]

約数ペア:

[(1, 21570080), (2, 10785040), (4, 5392520), (5, 4314016), (7, 3081440), (8, 2696260), (10, 2157008), (14, 1540720), (16, 1348130), (20, 1078504), (28, 770360), (32, 674065), (35, 616288), (40, 539252), (56, 385180), (70, 308144), (80, 269626), (112, 192590), (140, 154072), (160, 134813), (224, 96295), (280, 77036), (560, 38518), (1120, 19259)]