21719519998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{26682457}}^1$

素因数の和:26682507

約数の個数: 16

約数和(自身を含む): 36501602544

約数和(自身を除く): 14782082546

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 26682457, 53364914, 293507027, 587014054, 987250909, 1974501818, 10859759999, 21719519998]

約数ペア:

[(1, 21719519998), (2, 10859759999), (11, 1974501818), (22, 987250909), (37, 587014054), (74, 293507027), (407, 53364914), (814, 26682457)]