21343410

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21559}}^1$

素因数の和:21583

約数の個数: 48

約数和(自身を含む): 60540480

約数和(自身を除く): 39197070

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 21559, 43118, 64677, 107795, 129354, 194031, 215590, 237149, 323385, 388062, 474298, 646770, 711447, 970155, 1185745, 1422894, 1940310, 2134341, 2371490, 3557235, 4268682, 7114470, 10671705, 21343410]

約数ペア:

[(1, 21343410), (2, 10671705), (3, 7114470), (5, 4268682), (6, 3557235), (9, 2371490), (10, 2134341), (11, 1940310), (15, 1422894), (18, 1185745), (22, 970155), (30, 711447), (33, 646770), (45, 474298), (55, 388062), (66, 323385), (90, 237149), (99, 215590), (110, 194031), (165, 129354), (198, 107795), (330, 64677), (495, 43118), (990, 21559)]