21795292

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{1627}}^1$

素因数の和:1845

約数の個数: 24

約数和(自身を含む): 40615344

約数和(自身を除く): 18820052

約数列:

[1, 2, 4, 17, 34, 68, 197, 394, 788, 1627, 3254, 3349, 6508, 6698, 13396, 27659, 55318, 110636, 320519, 641038, 1282076, 5448823, 10897646, 21795292]

約数ペア:

[(1, 21795292), (2, 10897646), (4, 5448823), (17, 1282076), (34, 641038), (68, 320519), (197, 110636), (394, 55318), (788, 27659), (1627, 13396), (3254, 6698), (3349, 6508)]