21821943

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{50867}}^1$

素因数の和:50894

約数の個数: 16

約数和(自身を含む): 34183296

約数和(自身を除く): 12361353

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 50867, 152601, 559537, 661271, 1678611, 1983813, 7273981, 21821943]

約数ペア:

[(1, 21821943), (3, 7273981), (11, 1983813), (13, 1678611), (33, 661271), (39, 559537), (143, 152601), (429, 50867)]