21406074

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{461}}^1$

素因数の和:646

約数の個数: 32

約数和(自身を含む): 43908480

約数和(自身を除く): 22502406

約数列:

[1, 2, 3, 6, 71, 109, 142, 213, 218, 327, 426, 461, 654, 922, 1383, 2766, 7739, 15478, 23217, 32731, 46434, 50249, 65462, 98193, 100498, 150747, 196386, 301494, 3567679, 7135358, 10703037, 21406074]

約数ペア:

[(1, 21406074), (2, 10703037), (3, 7135358), (6, 3567679), (71, 301494), (109, 196386), (142, 150747), (213, 100498), (218, 98193), (327, 65462), (426, 50249), (461, 46434), (654, 32731), (922, 23217), (1383, 15478), (2766, 7739)]