21243486

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{1009}}^1$

素因数の和:1065

約数の個数: 48

約数和(自身を含む): 48358800

約数和(自身を除く): 27115314

約数列:

[1, 2, 3, 6, 11, 22, 29, 33, 58, 66, 87, 121, 174, 242, 319, 363, 638, 726, 957, 1009, 1914, 2018, 3027, 3509, 6054, 7018, 10527, 11099, 21054, 22198, 29261, 33297, 58522, 66594, 87783, 122089, 175566, 244178, 321871, 366267, 643742, 732534, 965613, 1931226, 3540581, 7081162, 10621743, 21243486]

約数ペア:

[(1, 21243486), (2, 10621743), (3, 7081162), (6, 3540581), (11, 1931226), (22, 965613), (29, 732534), (33, 643742), (58, 366267), (66, 321871), (87, 244178), (121, 175566), (174, 122089), (242, 87783), (319, 66594), (363, 58522), (638, 33297), (726, 29261), (957, 22198), (1009, 21054), (1914, 11099), (2018, 10527), (3027, 7018), (3509, 6054)]