21344312

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{4111}}^1$

素因数の和:4187

約数の個数: 32

約数和(自身を含む): 44409600

約数和(自身を除く): 23065288

約数列:

[1, 2, 4, 8, 11, 22, 44, 59, 88, 118, 236, 472, 649, 1298, 2596, 4111, 5192, 8222, 16444, 32888, 45221, 90442, 180884, 242549, 361768, 485098, 970196, 1940392, 2668039, 5336078, 10672156, 21344312]

約数ペア:

[(1, 21344312), (2, 10672156), (4, 5336078), (8, 2668039), (11, 1940392), (22, 970196), (44, 485098), (59, 361768), (88, 242549), (118, 180884), (236, 90442), (472, 45221), (649, 32888), (1298, 16444), (2596, 8222), (4111, 5192)]