21053872

素因数分解:

$2^4\times 7^1\times {\mathrm{317}}^1\times {\mathrm{593}}^1$

素因数の和:925

約数の個数: 40

約数和(自身を含む): 46845216

約数和(自身を除く): 25791344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 317, 593, 634, 1186, 1268, 2219, 2372, 2536, 4151, 4438, 4744, 5072, 8302, 8876, 9488, 16604, 17752, 33208, 35504, 66416, 187981, 375962, 751924, 1315867, 1503848, 2631734, 3007696, 5263468, 10526936, 21053872]

約数ペア:

[(1, 21053872), (2, 10526936), (4, 5263468), (7, 3007696), (8, 2631734), (14, 1503848), (16, 1315867), (28, 751924), (56, 375962), (112, 187981), (317, 66416), (593, 35504), (634, 33208), (1186, 17752), (1268, 16604), (2219, 9488), (2372, 8876), (2536, 8302), (4151, 5072), (4438, 4744)]