21413224

素因数分解:

$2^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{6481}}^1$

素因数の和:6553

約数の個数: 32

約数和(自身を含む): 46670400

約数和(自身を除く): 25257176

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 59, 118, 236, 413, 472, 826, 1652, 3304, 6481, 12962, 25924, 45367, 51848, 90734, 181468, 362936, 382379, 764758, 1529516, 2676653, 3059032, 5353306, 10706612, 21413224]

約数ペア:

[(1, 21413224), (2, 10706612), (4, 5353306), (7, 3059032), (8, 2676653), (14, 1529516), (28, 764758), (56, 382379), (59, 362936), (118, 181468), (236, 90734), (413, 51848), (472, 45367), (826, 25924), (1652, 12962), (3304, 6481)]