21029690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{5167}}^1$

素因数の和:5222

約数の個数: 32

約数和(自身を含む): 42418944

約数和(自身を除く): 21389254

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 185, 370, 407, 814, 2035, 4070, 5167, 10334, 25835, 51670, 56837, 113674, 191179, 284185, 382358, 568370, 955895, 1911790, 2102969, 4205938, 10514845, 21029690]

約数ペア:

[(1, 21029690), (2, 10514845), (5, 4205938), (10, 2102969), (11, 1911790), (22, 955895), (37, 568370), (55, 382358), (74, 284185), (110, 191179), (185, 113674), (370, 56837), (407, 51670), (814, 25835), (2035, 10334), (4070, 5167)]