21000481224

素因数分解:

$2^3\times 3^1\times {\mathrm{61}}^1\times {\mathrm{3541}}^1\times {\mathrm{4051}}^1$

素因数の和:7662

約数の個数: 64

約数和(自身を含む): 53390124480

約数和(自身を除く): 32389643256

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 61, 122, 183, 244, 366, 488, 732, 1464, 3541, 4051, 7082, 8102, 10623, 12153, 14164, 16204, 21246, 24306, 28328, 32408, 42492, 48612, 84984, 97224, 216001, 247111, 432002, 494222, 648003, 741333, 864004, 988444, 1296006, 1482666, 1728008, 1976888, 2592012, 2965332, 5184024, 5930664, 14344591, 28689182, 43033773, 57378364, 86067546, 114756728, 172135092, 344270184, 875020051, 1750040102, 2625060153, 3500080204, 5250120306, 7000160408, 10500240612, 21000481224]

約数ペア:

[(1, 21000481224), (2, 10500240612), (3, 7000160408), (4, 5250120306), (6, 3500080204), (8, 2625060153), (12, 1750040102), (24, 875020051), (61, 344270184), (122, 172135092), (183, 114756728), (244, 86067546), (366, 57378364), (488, 43033773), (732, 28689182), (1464, 14344591), (3541, 5930664), (4051, 5184024), (7082, 2965332), (8102, 2592012), (10623, 1976888), (12153, 1728008), (14164, 1482666), (16204, 1296006), (21246, 988444), (24306, 864004), (28328, 741333), (32408, 648003), (42492, 494222), (48612, 432002), (84984, 247111), (97224, 216001)]