21823557

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{22111}}^1$

素因数の和:22168

約数の個数: 16

約数和(自身を含む): 33964032

約数和(自身を除く): 12140475

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 22111, 66333, 154777, 464331, 1039217, 3117651, 7274519, 21823557]

約数ペア:

[(1, 21823557), (3, 7274519), (7, 3117651), (21, 1039217), (47, 464331), (141, 154777), (329, 66333), (987, 22111)]