21280395348

素因数分解:

$2^2\times 3^2\times {\mathrm{12487}}^1\times {\mathrm{47339}}^1$

素因数の和:59836

約数の個数: 36

約数和(自身を含む): 53797554720

約数和(自身を除く): 32517159372

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 12487, 24974, 37461, 47339, 49948, 74922, 94678, 112383, 142017, 149844, 189356, 224766, 284034, 426051, 449532, 568068, 852102, 1704204, 591122093, 1182244186, 1773366279, 2364488372, 3546732558, 5320098837, 7093465116, 10640197674, 21280395348]

約数ペア:

[(1, 21280395348), (2, 10640197674), (3, 7093465116), (4, 5320098837), (6, 3546732558), (9, 2364488372), (12, 1773366279), (18, 1182244186), (36, 591122093), (12487, 1704204), (24974, 852102), (37461, 568068), (47339, 449532), (49948, 426051), (74922, 284034), (94678, 224766), (112383, 189356), (142017, 149844)]