21176673

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{2029}}^1$

素因数の和:2117

約数の個数: 24

約数和(自身を含む): 33324480

約数和(自身を除く): 12147807

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 497, 1491, 2029, 3479, 6087, 10437, 14203, 42609, 99421, 144059, 298263, 432177, 1008413, 3025239, 7058891, 21176673]

約数ペア:

[(1, 21176673), (3, 7058891), (7, 3025239), (21, 1008413), (49, 432177), (71, 298263), (147, 144059), (213, 99421), (497, 42609), (1491, 14203), (2029, 10437), (3479, 6087)]