21979448

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{449}}^1$

素因数の和:695

約数の個数: 32

約数和(自身を含む): 42930000

約数和(自身を除く): 20950552

約数列:

[1, 2, 4, 8, 29, 58, 116, 211, 232, 422, 449, 844, 898, 1688, 1796, 3592, 6119, 12238, 13021, 24476, 26042, 48952, 52084, 94739, 104168, 189478, 378956, 757912, 2747431, 5494862, 10989724, 21979448]

約数ペア:

[(1, 21979448), (2, 10989724), (4, 5494862), (8, 2747431), (29, 757912), (58, 378956), (116, 189478), (211, 104168), (232, 94739), (422, 52084), (449, 48952), (844, 26042), (898, 24476), (1688, 13021), (1796, 12238), (3592, 6119)]