21139936237

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{1531}}^1$

素因数の和:1802

約数の個数: 64

約数和(自身を含む): 27955445760

約数和(自身を除く): 6815509523

約数列:

[1, 7, 17, 19, 31, 119, 133, 197, 217, 323, 527, 589, 1379, 1531, 2261, 3349, 3689, 3743, 4123, 6107, 10013, 10717, 23443, 26027, 26201, 29089, 42749, 47461, 63631, 70091, 103819, 116033, 182189, 203623, 301607, 332227, 445417, 494513, 726733, 806837, 812231, 901759, 1972561, 2111249, 3461591, 5127319, 5647859, 5730533, 6312313, 9349817, 13807927, 15329903, 35891233, 40113731, 65448719, 97419061, 107309321, 158946889, 177646523, 681933427, 1112628223, 1243525661, 3019990891, 21139936237]

約数ペア:

[(1, 21139936237), (7, 3019990891), (17, 1243525661), (19, 1112628223), (31, 681933427), (119, 177646523), (133, 158946889), (197, 107309321), (217, 97419061), (323, 65448719), (527, 40113731), (589, 35891233), (1379, 15329903), (1531, 13807927), (2261, 9349817), (3349, 6312313), (3689, 5730533), (3743, 5647859), (4123, 5127319), (6107, 3461591), (10013, 2111249), (10717, 1972561), (23443, 901759), (26027, 812231), (26201, 806837), (29089, 726733), (42749, 494513), (47461, 445417), (63631, 332227), (70091, 301607), (103819, 203623), (116033, 182189)]