About the Number

23121285

23121284 ← → 23121286

2進数表記:1011000001100110110000101

漢数字表記:二千三百十二万千二百八十五

素因数分解:

3 1 × 5 1 × 11 2 × 12739 1

素因数の和:12769
約数の個数: 24
約数和(自身を含む): 40666080
約数和(自身を除く): 17544795

約数列:
[1, 3, 5, 11, 15, 33, 55, 121, 165, 363, 605, 1815, 12739, 38217, 63695, 140129, 191085, 420387, 700645, 1541419, 2101935, 4624257, 7707095, 23121285]

約数ペア:
[(1, 23121285), (3, 7707095), (5, 4624257), (11, 2101935), (15, 1541419), (33, 700645), (55, 420387), (121, 191085), (165, 140129), (363, 63695), (605, 38217), (1815, 12739)]

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