21552566

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{661}}^1$

素因数の和:824

約数の個数: 32

約数和(自身を含む): 39465792

約数和(自身を除く): 17913226

約数列:

[1, 2, 7, 14, 17, 34, 119, 137, 238, 274, 661, 959, 1322, 1918, 2329, 4627, 4658, 9254, 11237, 16303, 22474, 32606, 78659, 90557, 157318, 181114, 633899, 1267798, 1539469, 3078938, 10776283, 21552566]

約数ペア:

[(1, 21552566), (2, 10776283), (7, 3078938), (14, 1539469), (17, 1267798), (34, 633899), (119, 181114), (137, 157318), (238, 90557), (274, 78659), (661, 32606), (959, 22474), (1322, 16303), (1918, 11237), (2329, 9254), (4627, 4658)]