21848372

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{311}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 47453952

約数和(自身を除く): 25605580

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 193, 311, 364, 386, 622, 772, 1244, 1351, 2177, 2509, 2702, 4043, 4354, 5018, 5404, 8086, 8708, 10036, 16172, 17563, 28301, 35126, 56602, 60023, 70252, 113204, 120046, 240092, 420161, 780299, 840322, 1560598, 1680644, 3121196, 5462093, 10924186, 21848372]

約数ペア:

[(1, 21848372), (2, 10924186), (4, 5462093), (7, 3121196), (13, 1680644), (14, 1560598), (26, 840322), (28, 780299), (52, 420161), (91, 240092), (182, 120046), (193, 113204), (311, 70252), (364, 60023), (386, 56602), (622, 35126), (772, 28301), (1244, 17563), (1351, 16172), (2177, 10036), (2509, 8708), (2702, 8086), (4043, 5404), (4354, 5018)]