21997246

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{367}}^1\times {\mathrm{1303}}^1$

素因数の和:1695

約数の個数: 16

約数和(自身を含む): 34550784

約数和(自身を除く): 12553538

約数列:

[1, 2, 23, 46, 367, 734, 1303, 2606, 8441, 16882, 29969, 59938, 478201, 956402, 10998623, 21997246]

約数ペア:

[(1, 21997246), (2, 10998623), (23, 956402), (46, 478201), (367, 59938), (734, 29969), (1303, 16882), (2606, 8441)]