About the Number

21321550

21321549 ← → 21321551

2進数表記:1010001010101011101001110

漢数字表記:二千百三十二万千五百五十

素因数分解:

2 1 × 5 2 × 43 1 × 47 1 × 211 1

素因数の和:313
約数の個数: 48
約数和(自身を含む): 41640192
約数和(自身を除く): 20318642

約数列:
[1, 2, 5, 10, 25, 43, 47, 50, 86, 94, 211, 215, 235, 422, 430, 470, 1055, 1075, 1175, 2021, 2110, 2150, 2350, 4042, 5275, 9073, 9917, 10105, 10550, 18146, 19834, 20210, 45365, 49585, 50525, 90730, 99170, 101050, 226825, 247925, 426431, 453650, 495850, 852862, 2132155, 4264310, 10660775, 21321550]

約数ペア:
[(1, 21321550), (2, 10660775), (5, 4264310), (10, 2132155), (25, 852862), (43, 495850), (47, 453650), (50, 426431), (86, 247925), (94, 226825), (211, 101050), (215, 99170), (235, 90730), (422, 50525), (430, 49585), (470, 45365), (1055, 20210), (1075, 19834), (1175, 18146), (2021, 10550), (2110, 10105), (2150, 9917), (2350, 9073), (4042, 5275)]

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