21958384

素因数分解:

$2^4\times 7^1\times {\mathrm{59}}^1\times {\mathrm{3323}}^1$

素因数の和:3397

約数の個数: 40

約数和(自身を含む): 49461120

約数和(自身を除く): 27502736

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 59, 112, 118, 236, 413, 472, 826, 944, 1652, 3304, 3323, 6608, 6646, 13292, 23261, 26584, 46522, 53168, 93044, 186088, 196057, 372176, 392114, 784228, 1372399, 1568456, 2744798, 3136912, 5489596, 10979192, 21958384]

約数ペア:

[(1, 21958384), (2, 10979192), (4, 5489596), (7, 3136912), (8, 2744798), (14, 1568456), (16, 1372399), (28, 784228), (56, 392114), (59, 372176), (112, 196057), (118, 186088), (236, 93044), (413, 53168), (472, 46522), (826, 26584), (944, 23261), (1652, 13292), (3304, 6646), (3323, 6608)]