21887876395

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1381}}^1\times {\mathrm{5881}}^1$

素因数の和:7292

約数の個数: 48

約数和(自身を含む): 33361104096

約数和(自身を除く): 11473227701

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 1381, 2695, 5881, 6905, 9667, 15191, 29405, 41167, 48335, 64691, 67669, 75955, 106337, 205835, 288169, 323455, 338345, 452837, 531685, 744359, 1440845, 2264185, 3169859, 3721795, 8121661, 15849295, 40608305, 56851627, 89338271, 284258135, 397961389, 446691355, 625367897, 1989806945, 3126839485, 4377575279, 21887876395]

約数ペア:

[(1, 21887876395), (5, 4377575279), (7, 3126839485), (11, 1989806945), (35, 625367897), (49, 446691355), (55, 397961389), (77, 284258135), (245, 89338271), (385, 56851627), (539, 40608305), (1381, 15849295), (2695, 8121661), (5881, 3721795), (6905, 3169859), (9667, 2264185), (15191, 1440845), (29405, 744359), (41167, 531685), (48335, 452837), (64691, 338345), (67669, 323455), (75955, 288169), (106337, 205835)]