21252896

素因数分解:

$2^5\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1201}}^1$

素因数の和:1297

約数の個数: 48

約数和(自身を含む): 48464640

約数和(自身を除く): 27211744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 79, 112, 158, 224, 316, 553, 632, 1106, 1201, 1264, 2212, 2402, 2528, 4424, 4804, 8407, 8848, 9608, 16814, 17696, 19216, 33628, 38432, 67256, 94879, 134512, 189758, 269024, 379516, 664153, 759032, 1328306, 1518064, 2656612, 3036128, 5313224, 10626448, 21252896]

約数ペア:

[(1, 21252896), (2, 10626448), (4, 5313224), (7, 3036128), (8, 2656612), (14, 1518064), (16, 1328306), (28, 759032), (32, 664153), (56, 379516), (79, 269024), (112, 189758), (158, 134512), (224, 94879), (316, 67256), (553, 38432), (632, 33628), (1106, 19216), (1201, 17696), (1264, 16814), (2212, 9608), (2402, 8848), (2528, 8407), (4424, 4804)]