21773685

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{829}}^1$

素因数の和:957

約数の個数: 32

約数和(自身を含む): 37290240

約数和(自身を除く): 15516555

約数列:

[1, 3, 5, 15, 17, 51, 85, 103, 255, 309, 515, 829, 1545, 1751, 2487, 4145, 5253, 8755, 12435, 14093, 26265, 42279, 70465, 85387, 211395, 256161, 426935, 1280805, 1451579, 4354737, 7257895, 21773685]

約数ペア:

[(1, 21773685), (3, 7257895), (5, 4354737), (15, 1451579), (17, 1280805), (51, 426935), (85, 256161), (103, 211395), (255, 85387), (309, 70465), (515, 42279), (829, 26265), (1545, 14093), (1751, 12435), (2487, 8755), (4145, 5253)]