21854409

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1\times {\mathrm{389}}^1$

素因数の和:760

約数の個数: 16

約数和(自身を含む): 29789760

約数和(自身を除く): 7935351

約数列:

[1, 3, 61, 183, 307, 389, 921, 1167, 18727, 23729, 56181, 71187, 119423, 358269, 7284803, 21854409]

約数ペア:

[(1, 21854409), (3, 7284803), (61, 358269), (183, 119423), (307, 71187), (389, 56181), (921, 23729), (1167, 18727)]