About the Number

21000201255

21000201254 ← → 21000201256

2進数表記:10011100011101101011010010000100111

漢数字表記:二百十億二十万千二百五十五

素因数分解:

3 2 × 5 1 × 11 1 × 8233 1 × 5153 1

素因数の和:13408
約数の個数: 48
約数和(自身を含む): 39722001696
約数和(自身を除く): 18721800441

約数列:
[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 5153, 8233, 15459, 24699, 25765, 41165, 46377, 56683, 74097, 77295, 90563, 123495, 170049, 231885, 271689, 283415, 370485, 452815, 510147, 815067, 850245, 1358445, 2550735, 4075335, 42424649, 127273947, 212123245, 381821841, 466671139, 636369735, 1400013417, 1909109205, 2333355695, 4200040251, 7000067085, 21000201255]

約数ペア:
[(1, 21000201255), (3, 7000067085), (5, 4200040251), (9, 2333355695), (11, 1909109205), (15, 1400013417), (33, 636369735), (45, 466671139), (55, 381821841), (99, 212123245), (165, 127273947), (495, 42424649), (5153, 4075335), (8233, 2550735), (15459, 1358445), (24699, 850245), (25765, 815067), (41165, 510147), (46377, 452815), (56683, 370485), (74097, 283415), (77295, 271689), (90563, 231885), (123495, 170049)]

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