About the Number

201021850971

201021850970 ← → 201021850972

2進数表記:10111011001101110101100000010101011011

漢数字表記:二千十億二千百八十五万九百七十一

素因数分解:

3 2 × 17 2 × 23 2 × 146099 1

素因数の和:146185
約数の個数: 54
約数和(自身を含む): 322446060300
約数和(自身を除く): 121424209329

約数列:
[1, 3, 9, 17, 23, 51, 69, 153, 207, 289, 391, 529, 867, 1173, 1587, 2601, 3519, 4761, 6647, 8993, 19941, 26979, 59823, 80937, 146099, 152881, 438297, 458643, 1314891, 1375929, 2483683, 3360277, 7451049, 10080831, 22353147, 30242493, 42222611, 57124709, 77286371, 126667833, 171374127, 231859113, 380003499, 514122381, 695577339, 971120053, 1313868307, 2913360159, 3941604921, 8740080477, 11824814763, 22335761219, 67007283657, 201021850971]

約数ペア:
[(1, 201021850971), (3, 67007283657), (9, 22335761219), (17, 11824814763), (23, 8740080477), (51, 3941604921), (69, 2913360159), (153, 1313868307), (207, 971120053), (289, 695577339), (391, 514122381), (529, 380003499), (867, 231859113), (1173, 171374127), (1587, 126667833), (2601, 77286371), (3519, 57124709), (4761, 42222611), (6647, 30242493), (8993, 22353147), (19941, 10080831), (26979, 7451049), (59823, 3360277), (80937, 2483683), (146099, 1375929), (152881, 1314891), (438297, 458643)]

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