21415450

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{8741}}^1$

素因数の和:8767

約数の個数: 36

約数和(自身を含む): 46341342

約数和(自身を除く): 24925892

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 175, 245, 350, 490, 1225, 2450, 8741, 17482, 43705, 61187, 87410, 122374, 218525, 305935, 428309, 437050, 611870, 856618, 1529675, 2141545, 3059350, 4283090, 10707725, 21415450]

約数ペア:

[(1, 21415450), (2, 10707725), (5, 4283090), (7, 3059350), (10, 2141545), (14, 1529675), (25, 856618), (35, 611870), (49, 437050), (50, 428309), (70, 305935), (98, 218525), (175, 122374), (245, 87410), (350, 61187), (490, 43705), (1225, 17482), (2450, 8741)]