21032280688

素因数分解:

$2^4\times {\mathrm{1123}}^1\times {\mathrm{1170541}}^1$

素因数の和:1171672

約数の個数: 20

約数和(自身を含む): 40786365448

約数和(自身を除く): 19754084760

約数列:

[1, 2, 4, 8, 16, 1123, 2246, 4492, 8984, 17968, 1170541, 2341082, 4682164, 9364328, 18728656, 1314517543, 2629035086, 5258070172, 10516140344, 21032280688]

約数ペア:

[(1, 21032280688), (2, 10516140344), (4, 5258070172), (8, 2629035086), (16, 1314517543), (1123, 18728656), (2246, 9364328), (4492, 4682164), (8984, 2341082), (17968, 1170541)]