21291103654205

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{9384281}}^1$

素因数の和:9384458

約数の個数: 64

約数和(自身を含む): 32691535220736

約数和(自身を除く): 11400431566531

約数列:

[1, 5, 7, 11, 35, 55, 71, 77, 83, 355, 385, 415, 497, 581, 781, 913, 2485, 2905, 3905, 4565, 5467, 5893, 6391, 27335, 29465, 31955, 41251, 64823, 206255, 324115, 453761, 2268805, 9384281, 46921405, 65689967, 103227091, 328449835, 516135455, 666283951, 722589637, 778895323, 3331419755, 3612948185, 3894476615, 4663987657, 5452267261, 7329123461, 8567848553, 23319938285, 27261336305, 36645617305, 42839242765, 51303864227, 55301567933, 59974939871, 256519321135, 276507839665, 299874699355, 387110975531, 608317247263, 1935554877655, 3041586236315, 4258220730841, 21291103654205]

約数ペア:

[(1, 21291103654205), (5, 4258220730841), (7, 3041586236315), (11, 1935554877655), (35, 608317247263), (55, 387110975531), (71, 299874699355), (77, 276507839665), (83, 256519321135), (355, 59974939871), (385, 55301567933), (415, 51303864227), (497, 42839242765), (581, 36645617305), (781, 27261336305), (913, 23319938285), (2485, 8567848553), (2905, 7329123461), (3905, 5452267261), (4565, 4663987657), (5467, 3894476615), (5893, 3612948185), (6391, 3331419755), (27335, 778895323), (29465, 722589637), (31955, 666283951), (41251, 516135455), (64823, 328449835), (206255, 103227091), (324115, 65689967), (453761, 46921405), (2268805, 9384281)]