21979912

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{5573}}^1$

素因数の和:5625

約数の個数: 32

約数和(自身を含む): 45149400

約数和(自身を除く): 23169488

約数列:

[1, 2, 4, 8, 17, 29, 34, 58, 68, 116, 136, 232, 493, 986, 1972, 3944, 5573, 11146, 22292, 44584, 94741, 161617, 189482, 323234, 378964, 646468, 757928, 1292936, 2747489, 5494978, 10989956, 21979912]

約数ペア:

[(1, 21979912), (2, 10989956), (4, 5494978), (8, 2747489), (17, 1292936), (29, 757928), (34, 646468), (58, 378964), (68, 323234), (116, 189482), (136, 161617), (232, 94741), (493, 44584), (986, 22292), (1972, 11146), (3944, 5573)]