About the Number

21052210

21052209 ← → 21052211

2進数表記:1010000010011101100110010

漢数字表記:二千百五万二千二百十

素因数分解:

2 1 × 5 1 × 71 1 × 149 1 × 199 1

素因数の和:426
約数の個数: 32
約数和(自身を含む): 38880000
約数和(自身を除く): 17827790

約数列:
[1, 2, 5, 10, 71, 142, 149, 199, 298, 355, 398, 710, 745, 995, 1490, 1990, 10579, 14129, 21158, 28258, 29651, 52895, 59302, 70645, 105790, 141290, 148255, 296510, 2105221, 4210442, 10526105, 21052210]

約数ペア:
[(1, 21052210), (2, 10526105), (5, 4210442), (10, 2105221), (71, 296510), (142, 148255), (149, 141290), (199, 105790), (298, 70645), (355, 59302), (398, 52895), (710, 29651), (745, 28258), (995, 21158), (1490, 14129), (1990, 10579)]

このpageの処理時間: 0.08609437942504883 seconds