21169995

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{18329}}^1$

素因数の和:18355

約数の個数: 32

約数和(自身を含む): 42232320

約数和(自身を除く): 21062325

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 18329, 54987, 91645, 128303, 201619, 274935, 384909, 604857, 641515, 1008095, 1411333, 1924545, 3024285, 4233999, 7056665, 21169995]

約数ペア:

[(1, 21169995), (3, 7056665), (5, 4233999), (7, 3024285), (11, 1924545), (15, 1411333), (21, 1008095), (33, 641515), (35, 604857), (55, 384909), (77, 274935), (105, 201619), (165, 128303), (231, 91645), (385, 54987), (1155, 18329)]