21332528

素因数分解:

$2^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2411}}^1$

素因数の和:2505

約数の個数: 40

約数和(自身を含む): 47854080

約数和(自身を除く): 26521552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 79, 112, 158, 316, 553, 632, 1106, 1264, 2212, 2411, 4424, 4822, 8848, 9644, 16877, 19288, 33754, 38576, 67508, 135016, 190469, 270032, 380938, 761876, 1333283, 1523752, 2666566, 3047504, 5333132, 10666264, 21332528]

約数ペア:

[(1, 21332528), (2, 10666264), (4, 5333132), (7, 3047504), (8, 2666566), (14, 1523752), (16, 1333283), (28, 761876), (56, 380938), (79, 270032), (112, 190469), (158, 135016), (316, 67508), (553, 38576), (632, 33754), (1106, 19288), (1264, 16877), (2212, 9644), (2411, 8848), (4424, 4822)]