21021374

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{683}}^1\times {\mathrm{1399}}^1$

素因数の和:2095

約数の個数: 16

約数和(自身を含む): 34473600

約数和(自身を除く): 13452226

約数列:

[1, 2, 11, 22, 683, 1366, 1399, 2798, 7513, 15026, 15389, 30778, 955517, 1911034, 10510687, 21021374]

約数ペア:

[(1, 21021374), (2, 10510687), (11, 1911034), (22, 955517), (683, 30778), (1366, 15389), (1399, 15026), (2798, 7513)]