21790304

素因数分解:

$2^5\times {\mathrm{521}}^1\times {\mathrm{1307}}^1$

素因数の和:1838

約数の個数: 24

約数和(自身を含む): 43014888

約数和(自身を除く): 21224584

約数列:

[1, 2, 4, 8, 16, 32, 521, 1042, 1307, 2084, 2614, 4168, 5228, 8336, 10456, 16672, 20912, 41824, 680947, 1361894, 2723788, 5447576, 10895152, 21790304]

約数ペア:

[(1, 21790304), (2, 10895152), (4, 5447576), (8, 2723788), (16, 1361894), (32, 680947), (521, 41824), (1042, 20912), (1307, 16672), (2084, 10456), (2614, 8336), (4168, 5228)]