21352748

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{1627}}^1$

素因数の和:1841

約数の個数: 24

約数和(自身を含む): 39794832

約数和(自身を除く): 18442084

約数列:

[1, 2, 4, 17, 34, 68, 193, 386, 772, 1627, 3254, 3281, 6508, 6562, 13124, 27659, 55318, 110636, 314011, 628022, 1256044, 5338187, 10676374, 21352748]

約数ペア:

[(1, 21352748), (2, 10676374), (4, 5338187), (17, 1256044), (34, 628022), (68, 314011), (193, 110636), (386, 55318), (772, 27659), (1627, 13124), (3254, 6562), (3281, 6508)]