About the Number

201990513021

201990513020 ← → 201990513022

2進数表記:10111100000111100100101010000101111101

漢数字表記:二千十九億九千五十一万三千二十一

素因数分解:

3 1 × 11 1 × 1237 1 × 4948201 1

素因数の和:4949452
約数の個数: 16
約数和(自身を含む): 294041955648
約数和(自身を除く): 92051442627

約数列:
[1, 3, 11, 33, 1237, 3711, 13607, 40821, 4948201, 14844603, 54430211, 163290633, 6120924637, 18362773911, 67330171007, 201990513021]

約数ペア:
[(1, 201990513021), (3, 67330171007), (11, 18362773911), (33, 6120924637), (1237, 163290633), (3711, 54430211), (13607, 14844603), (40821, 4948201)]

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