21647192

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{6337}}^1$

素因数の和:6411

約数の個数: 32

約数和(自身を含む): 47154720

約数和(自身を除く): 25507528

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 427, 488, 854, 1708, 3416, 6337, 12674, 25348, 44359, 50696, 88718, 177436, 354872, 386557, 773114, 1546228, 2705899, 3092456, 5411798, 10823596, 21647192]

約数ペア:

[(1, 21647192), (2, 10823596), (4, 5411798), (7, 3092456), (8, 2705899), (14, 1546228), (28, 773114), (56, 386557), (61, 354872), (122, 177436), (244, 88718), (427, 50696), (488, 44359), (854, 25348), (1708, 12674), (3416, 6337)]