21682345216

素因数分解:

$2^8\times 7^1\times {\mathrm{19}}^1\times {\mathrm{636817}}^1$

素因数の和:636859

約数の個数: 72

約数和(自身を含む): 52066239680

約数和(自身を除く): 30383894464

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 133, 152, 224, 256, 266, 304, 448, 532, 608, 896, 1064, 1216, 1792, 2128, 2432, 4256, 4864, 8512, 17024, 34048, 636817, 1273634, 2547268, 4457719, 5094536, 8915438, 10189072, 12099523, 17830876, 20378144, 24199046, 35661752, 40756288, 48398092, 71323504, 81512576, 84696661, 96796184, 142647008, 163025152, 169393322, 193592368, 285294016, 338786644, 387184736, 570588032, 677573288, 774369472, 1141176064, 1355146576, 1548738944, 2710293152, 3097477888, 5420586304, 10841172608, 21682345216]

約数ペア:

[(1, 21682345216), (2, 10841172608), (4, 5420586304), (7, 3097477888), (8, 2710293152), (14, 1548738944), (16, 1355146576), (19, 1141176064), (28, 774369472), (32, 677573288), (38, 570588032), (56, 387184736), (64, 338786644), (76, 285294016), (112, 193592368), (128, 169393322), (133, 163025152), (152, 142647008), (224, 96796184), (256, 84696661), (266, 81512576), (304, 71323504), (448, 48398092), (532, 40756288), (608, 35661752), (896, 24199046), (1064, 20378144), (1216, 17830876), (1792, 12099523), (2128, 10189072), (2432, 8915438), (4256, 5094536), (4864, 4457719), (8512, 2547268), (17024, 1273634), (34048, 636817)]