About the Number

21552560

21552559 ← → 21552561

2進数表記:1010010001101110110110000

漢数字表記:二千百五十五万二千五百六十

素因数分解:

2 4 × 5 1 × 67 1 × 4021 1

素因数の和:4101
約数の個数: 40
約数和(自身を含む): 50870256
約数和(自身を除く): 29317696

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 4021, 5360, 8042, 16084, 20105, 32168, 40210, 64336, 80420, 160840, 269407, 321680, 538814, 1077628, 1347035, 2155256, 2694070, 4310512, 5388140, 10776280, 21552560]

約数ペア:
[(1, 21552560), (2, 10776280), (4, 5388140), (5, 4310512), (8, 2694070), (10, 2155256), (16, 1347035), (20, 1077628), (40, 538814), (67, 321680), (80, 269407), (134, 160840), (268, 80420), (335, 64336), (536, 40210), (670, 32168), (1072, 20105), (1340, 16084), (2680, 8042), (4021, 5360)]

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