About the Number

13904121

13904120 ← → 13904122

2進数表記:110101000010100011111001

漢数字表記:千三百九十万四千百二十一

素因数分解:

3 1 × 7 1 × 11 1 × 23 1 × 2617 1

素因数の和:2661
約数の個数: 32
約数和(自身を含む): 24127488
約数和(自身を除く): 10223367

約数列:
[1, 3, 7, 11, 21, 23, 33, 69, 77, 161, 231, 253, 483, 759, 1771, 2617, 5313, 7851, 18319, 28787, 54957, 60191, 86361, 180573, 201509, 421337, 604527, 662101, 1264011, 1986303, 4634707, 13904121]

約数ペア:
[(1, 13904121), (3, 4634707), (7, 1986303), (11, 1264011), (21, 662101), (23, 604527), (33, 421337), (69, 201509), (77, 180573), (161, 86361), (231, 60191), (253, 54957), (483, 28787), (759, 18319), (1771, 7851), (2617, 5313)]

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