21948514

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^2\times {\mathrm{311}}^1$

素因数の和:462

約数の個数: 24

約数和(自身を含む): 38286144

約数和(自身を除く): 16337630

約数列:

[1, 2, 7, 14, 71, 142, 311, 497, 622, 994, 2177, 4354, 5041, 10082, 22081, 35287, 44162, 70574, 154567, 309134, 1567751, 3135502, 10974257, 21948514]

約数ペア:

[(1, 21948514), (2, 10974257), (7, 3135502), (14, 1567751), (71, 309134), (142, 154567), (311, 70574), (497, 44162), (622, 35287), (994, 22081), (2177, 10082), (4354, 5041)]