21025270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4483}}^1$

素因数の和:4564

約数の個数: 32

約数和(自身を含む): 43907328

約数和(自身を除く): 22882058

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 134, 335, 469, 670, 938, 2345, 4483, 4690, 8966, 22415, 31381, 44830, 62762, 156905, 300361, 313810, 600722, 1501805, 2102527, 3003610, 4205054, 10512635, 21025270]

約数ペア:

[(1, 21025270), (2, 10512635), (5, 4205054), (7, 3003610), (10, 2102527), (14, 1501805), (35, 600722), (67, 313810), (70, 300361), (134, 156905), (335, 62762), (469, 44830), (670, 31381), (938, 22415), (2345, 8966), (4483, 4690)]