21637827

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{42179}}^1$

素因数の和:42207

約数の個数: 16

約数和(自身を含む): 33744000

約数和(自身を除く): 12106173

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 42179, 126537, 379611, 801401, 1138833, 2404203, 7212609, 21637827]

約数ペア:

[(1, 21637827), (3, 7212609), (9, 2404203), (19, 1138833), (27, 801401), (57, 379611), (171, 126537), (513, 42179)]