21439538

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{5861}}^1$

素因数の和:5953

約数の個数: 16

約数和(自身を含む): 33765120

約数和(自身を除く): 12325582

約数列:

[1, 2, 31, 59, 62, 118, 1829, 3658, 5861, 11722, 181691, 345799, 363382, 691598, 10719769, 21439538]

約数ペア:

[(1, 21439538), (2, 10719769), (31, 691598), (59, 363382), (62, 345799), (118, 181691), (1829, 11722), (3658, 5861)]