About the Number

2100028161

2100028160 ← → 2100028162

2進数表記:1111101001010111110001100000001

漢数字表記:二十一億二万八千百六十一

素因数分解:

3 1 × 7 1 × 11 1 × 1303 1 × 6977 1

素因数の和:8301
約数の個数: 32
約数和(自身を含む): 3494135808
約数和(自身を除く): 1394107647

約数列:
[1, 3, 7, 11, 21, 33, 77, 231, 1303, 3909, 6977, 9121, 14333, 20931, 27363, 42999, 48839, 76747, 100331, 146517, 230241, 300993, 537229, 1611687, 9091031, 27273093, 63637217, 100001341, 190911651, 300004023, 700009387, 2100028161]

約数ペア:
[(1, 2100028161), (3, 700009387), (7, 300004023), (11, 190911651), (21, 100001341), (33, 63637217), (77, 27273093), (231, 9091031), (1303, 1611687), (3909, 537229), (6977, 300993), (9121, 230241), (14333, 146517), (20931, 100331), (27363, 76747), (42999, 48839)]

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