21082922

素因数分解:

$2^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{9973}}^1$

素因数の和:10133

約数の個数: 16

約数和(自身を含む): 36385152

約数和(自身を除く): 15302230

約数列:

[1, 2, 7, 14, 151, 302, 1057, 2114, 9973, 19946, 69811, 139622, 1505923, 3011846, 10541461, 21082922]

約数ペア:

[(1, 21082922), (2, 10541461), (7, 3011846), (14, 1505923), (151, 139622), (302, 69811), (1057, 19946), (2114, 9973)]