About the Number

121621825

121621824 ← → 121621826

2進数表記:111001111111100110101000001

漢数字表記:一億二千百六十二万千八百二十五

素因数分解:

5 2 × 13 1 × 17 1 × 22013 1

素因数の和:22053
約数の個数: 24
約数和(自身を含む): 171973368
約数和(自身を除く): 50351543

約数列:
[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 5525, 22013, 110065, 286169, 374221, 550325, 1430845, 1871105, 4864873, 7154225, 9355525, 24324365, 121621825]

約数ペア:
[(1, 121621825), (5, 24324365), (13, 9355525), (17, 7154225), (25, 4864873), (65, 1871105), (85, 1430845), (221, 550325), (325, 374221), (425, 286169), (1105, 110065), (5525, 22013)]

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