21331473220

素因数分解:

$2^2\times 5^1\times {\mathrm{563}}^1\times {\mathrm{607}}^1\times {\mathrm{3121}}^1$

素因数の和:4300

約数の個数: 48

約数和(自身を含む): 44963993088

約数和(自身を除く): 23632519868

約数列:

[1, 2, 4, 5, 10, 20, 563, 607, 1126, 1214, 2252, 2428, 2815, 3035, 3121, 5630, 6070, 6242, 11260, 12140, 12484, 15605, 31210, 62420, 341741, 683482, 1366964, 1708705, 1757123, 1894447, 3417410, 3514246, 3788894, 6834820, 7028492, 7577788, 8785615, 9472235, 17571230, 18944470, 35142460, 37888940, 1066573661, 2133147322, 4266294644, 5332868305, 10665736610, 21331473220]

約数ペア:

[(1, 21331473220), (2, 10665736610), (4, 5332868305), (5, 4266294644), (10, 2133147322), (20, 1066573661), (563, 37888940), (607, 35142460), (1126, 18944470), (1214, 17571230), (2252, 9472235), (2428, 8785615), (2815, 7577788), (3035, 7028492), (3121, 6834820), (5630, 3788894), (6070, 3514246), (6242, 3417410), (11260, 1894447), (12140, 1757123), (12484, 1708705), (15605, 1366964), (31210, 683482), (62420, 341741)]