21978099

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17077}}^1$

素因数の和:17107

約数の個数: 24

約数和(自身を含む): 37298352

約数和(自身を除く): 15320253

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 17077, 51231, 153693, 187847, 222001, 563541, 666003, 1690623, 1998009, 2442011, 7326033, 21978099]

約数ペア:

[(1, 21978099), (3, 7326033), (9, 2442011), (11, 1998009), (13, 1690623), (33, 666003), (39, 563541), (99, 222001), (117, 187847), (143, 153693), (429, 51231), (1287, 17077)]