2021021863

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{2803}}^1$

素因数の和:2983

約数の個数: 32

約数和(自身を含む): 2509871616

約数和(自身を除く): 488849753

約数列:

[1, 7, 17, 73, 83, 119, 511, 581, 1241, 1411, 2803, 6059, 8687, 9877, 19621, 42413, 47651, 103003, 204619, 232649, 333557, 721021, 1432333, 1628543, 3478523, 3955033, 16983377, 24349661, 27685231, 118883639, 288717409, 2021021863]

約数ペア:

[(1, 2021021863), (7, 288717409), (17, 118883639), (73, 27685231), (83, 24349661), (119, 16983377), (511, 3955033), (581, 3478523), (1241, 1628543), (1411, 1432333), (2803, 721021), (6059, 333557), (8687, 232649), (9877, 204619), (19621, 103003), (42413, 47651)]