2021819961

素因数分解:

$3^1\times 7^1\times {\mathrm{6911}}^1\times {\mathrm{13931}}^1$

素因数の和:20852

約数の個数: 16

約数和(自身を含む): 3081535488

約数和(自身を除く): 1059715527

約数列:

[1, 3, 7, 21, 6911, 13931, 20733, 41793, 48377, 97517, 145131, 292551, 96277141, 288831423, 673939987, 2021819961]

約数ペア:

[(1, 2021819961), (3, 673939987), (7, 288831423), (21, 96277141), (6911, 292551), (13931, 145131), (20733, 97517), (41793, 48377)]