21065931832

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{555419}}^1$

素因数の和:555867

約数の個数: 32

約数和(自身を含む): 43189459200

約数和(自身を除く): 22123527368

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 431, 862, 1724, 3448, 4741, 9482, 18964, 37928, 555419, 1110838, 2221676, 4443352, 6109609, 12219218, 24438436, 48876872, 239385589, 478771178, 957542356, 1915084712, 2633241479, 5266482958, 10532965916, 21065931832]

約数ペア:

[(1, 21065931832), (2, 10532965916), (4, 5266482958), (8, 2633241479), (11, 1915084712), (22, 957542356), (44, 478771178), (88, 239385589), (431, 48876872), (862, 24438436), (1724, 12219218), (3448, 6109609), (4741, 4443352), (9482, 2221676), (18964, 1110838), (37928, 555419)]