21973506

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{51581}}^1$

素因数の和:51657

約数の個数: 16

約数和(自身を含む): 44566848

約数和(自身を除く): 22593342

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 51581, 103162, 154743, 309486, 3662251, 7324502, 10986753, 21973506]

約数ペア:

[(1, 21973506), (2, 10986753), (3, 7324502), (6, 3662251), (71, 309486), (142, 154743), (213, 103162), (426, 51581)]