21194124

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1321}}^1$

素因数の和:1526

約数の個数: 48

約数和(自身を含む): 56856576

約数和(自身を除く): 35662452

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 191, 382, 573, 764, 1146, 1321, 1337, 2292, 2642, 2674, 3963, 4011, 5284, 5348, 7926, 8022, 9247, 15852, 16044, 18494, 27741, 36988, 55482, 110964, 252311, 504622, 756933, 1009244, 1513866, 1766177, 3027732, 3532354, 5298531, 7064708, 10597062, 21194124]

約数ペア:

[(1, 21194124), (2, 10597062), (3, 7064708), (4, 5298531), (6, 3532354), (7, 3027732), (12, 1766177), (14, 1513866), (21, 1009244), (28, 756933), (42, 504622), (84, 252311), (191, 110964), (382, 55482), (573, 36988), (764, 27741), (1146, 18494), (1321, 16044), (1337, 15852), (2292, 9247), (2642, 8022), (2674, 7926), (3963, 5348), (4011, 5284)]