21710747515

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1\times {\mathrm{14813}}^1$

素因数の和:15279

約数の個数: 32

約数和(自身を含む): 28299243456

約数和(自身を除く): 6588495941

約数列:

[1, 5, 17, 43, 85, 215, 401, 731, 2005, 3655, 6817, 14813, 17243, 34085, 74065, 86215, 251821, 293131, 636959, 1259105, 1465655, 3184795, 5940013, 10828303, 29700065, 54141515, 100980221, 255420559, 504901105, 1277102795, 4342149503, 21710747515]

約数ペア:

[(1, 21710747515), (5, 4342149503), (17, 1277102795), (43, 504901105), (85, 255420559), (215, 100980221), (401, 54141515), (731, 29700065), (2005, 10828303), (3655, 5940013), (6817, 3184795), (14813, 1465655), (17243, 1259105), (34085, 636959), (74065, 293131), (86215, 251821)]