21667492

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{683}}^1$

素因数の和:808

約数の個数: 48

約数和(自身を含む): 47803392

約数和(自身を除く): 26135900

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 103, 154, 206, 308, 412, 683, 721, 1133, 1366, 1442, 2266, 2732, 2884, 4532, 4781, 7513, 7931, 9562, 15026, 15862, 19124, 30052, 31724, 52591, 70349, 105182, 140698, 210364, 281396, 492443, 773839, 984886, 1547678, 1969772, 3095356, 5416873, 10833746, 21667492]

約数ペア:

[(1, 21667492), (2, 10833746), (4, 5416873), (7, 3095356), (11, 1969772), (14, 1547678), (22, 984886), (28, 773839), (44, 492443), (77, 281396), (103, 210364), (154, 140698), (206, 105182), (308, 70349), (412, 52591), (683, 31724), (721, 30052), (1133, 19124), (1366, 15862), (1442, 15026), (2266, 9562), (2732, 7931), (2884, 7513), (4532, 4781)]