About the Number

2100061821

2100061820 ← → 2100061822

2進数表記:1111101001011000110011001111101

漢数字表記:二十一億六万千八百二十一

素因数分解:

3 1 × 11 1 × 13 1 × 43 1 × 113843 1

素因数の和:113913
約数の個数: 32
約数和(自身を含む): 3366139392
約数和(自身を除く): 1266077571

約数列:
[1, 3, 11, 13, 33, 39, 43, 129, 143, 429, 473, 559, 1419, 1677, 6149, 18447, 113843, 341529, 1252273, 1479959, 3756819, 4439877, 4895249, 14685747, 16279549, 48838647, 53847739, 63638237, 161543217, 190914711, 700020607, 2100061821]

約数ペア:
[(1, 2100061821), (3, 700020607), (11, 190914711), (13, 161543217), (33, 63638237), (39, 53847739), (43, 48838647), (129, 16279549), (143, 14685747), (429, 4895249), (473, 4439877), (559, 3756819), (1419, 1479959), (1677, 1252273), (6149, 341529), (18447, 113843)]

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