21733558

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{20161}}^1$

素因数の和:20188

約数の個数: 24

約数和(自身を含む): 41372424

約数和(自身を除く): 19638866

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 20161, 40322, 141127, 221771, 282254, 443542, 987889, 1552397, 1975778, 3104794, 10866779, 21733558]

約数ペア:

[(1, 21733558), (2, 10866779), (7, 3104794), (11, 1975778), (14, 1552397), (22, 987889), (49, 443542), (77, 282254), (98, 221771), (154, 141127), (539, 40322), (1078, 20161)]