21444416

素因数分解:

$2^6\times 7^1\times {\mathrm{151}}^1\times {\mathrm{317}}^1$

素因数の和:487

約数の個数: 56

約数和(自身を含む): 49109376

約数和(自身を除く): 27664960

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 151, 224, 302, 317, 448, 604, 634, 1057, 1208, 1268, 2114, 2219, 2416, 2536, 4228, 4438, 4832, 5072, 8456, 8876, 9664, 10144, 16912, 17752, 20288, 33824, 35504, 47867, 67648, 71008, 95734, 142016, 191468, 335069, 382936, 670138, 765872, 1340276, 1531744, 2680552, 3063488, 5361104, 10722208, 21444416]

約数ペア:

[(1, 21444416), (2, 10722208), (4, 5361104), (7, 3063488), (8, 2680552), (14, 1531744), (16, 1340276), (28, 765872), (32, 670138), (56, 382936), (64, 335069), (112, 191468), (151, 142016), (224, 95734), (302, 71008), (317, 67648), (448, 47867), (604, 35504), (634, 33824), (1057, 20288), (1208, 17752), (1268, 16912), (2114, 10144), (2219, 9664), (2416, 8876), (2536, 8456), (4228, 5072), (4438, 4832)]