20211492763

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{9791}}^1$

素因数の和:9928

約数の個数: 64

約数和(自身を含む): 28426567680

約数和(自身を除く): 8215074917

約数列:

[1, 7, 11, 17, 19, 77, 83, 119, 133, 187, 209, 323, 581, 913, 1309, 1411, 1463, 1577, 2261, 3553, 6391, 9791, 9877, 11039, 15521, 17347, 24871, 26809, 68537, 107701, 108647, 121429, 166447, 186029, 187663, 294899, 753907, 812653, 1165129, 1302203, 1830917, 2046319, 2064293, 3162493, 5688571, 8939183, 12816419, 13815101, 14324233, 15440407, 22137451, 34787423, 62574281, 96705707, 108082849, 151966111, 169844477, 243511961, 262486919, 1063762777, 1188911339, 1837408433, 2887356109, 20211492763]

約数ペア:

[(1, 20211492763), (7, 2887356109), (11, 1837408433), (17, 1188911339), (19, 1063762777), (77, 262486919), (83, 243511961), (119, 169844477), (133, 151966111), (187, 108082849), (209, 96705707), (323, 62574281), (581, 34787423), (913, 22137451), (1309, 15440407), (1411, 14324233), (1463, 13815101), (1577, 12816419), (2261, 8939183), (3553, 5688571), (6391, 3162493), (9791, 2064293), (9877, 2046319), (11039, 1830917), (15521, 1302203), (17347, 1165129), (24871, 812653), (26809, 753907), (68537, 294899), (107701, 187663), (108647, 186029), (121429, 166447)]