About the Number

20211250

20211249 ← → 20211251

2進数表記:1001101000110011000110010

漢数字表記:二千二十一万千二百五十

素因数分解:

2 1 × 5 4 × 19 1 × 23 1 × 37 1

素因数の和:101
約数の個数: 80
約数和(自身を含む): 42736320
約数和(自身を除く): 22525070

約数列:
[1, 2, 5, 10, 19, 23, 25, 37, 38, 46, 50, 74, 95, 115, 125, 185, 190, 230, 250, 370, 437, 475, 575, 625, 703, 851, 874, 925, 950, 1150, 1250, 1406, 1702, 1850, 2185, 2375, 2875, 3515, 4255, 4370, 4625, 4750, 5750, 7030, 8510, 9250, 10925, 11875, 14375, 16169, 17575, 21275, 21850, 23125, 23750, 28750, 32338, 35150, 42550, 46250, 54625, 80845, 87875, 106375, 109250, 161690, 175750, 212750, 273125, 404225, 439375, 531875, 546250, 808450, 878750, 1063750, 2021125, 4042250, 10105625, 20211250]

約数ペア:
[(1, 20211250), (2, 10105625), (5, 4042250), (10, 2021125), (19, 1063750), (23, 878750), (25, 808450), (37, 546250), (38, 531875), (46, 439375), (50, 404225), (74, 273125), (95, 212750), (115, 175750), (125, 161690), (185, 109250), (190, 106375), (230, 87875), (250, 80845), (370, 54625), (437, 46250), (475, 42550), (575, 35150), (625, 32338), (703, 28750), (851, 23750), (874, 23125), (925, 21850), (950, 21275), (1150, 17575), (1250, 16169), (1406, 14375), (1702, 11875), (1850, 10925), (2185, 9250), (2375, 8510), (2875, 7030), (3515, 5750), (4255, 4750), (4370, 4625)]

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