About the Number

10217421

10217420 ← → 10217422

2進数表記:100110111110011111001101

漢数字表記:千二十一万七千四百二十一

素因数分解:

3 5 × 19 1 × 2213 1

素因数の和:2247
約数の個数: 24
約数和(自身を含む): 16117920
約数和(自身を除く): 5900499

約数列:
[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 1539, 2213, 4617, 6639, 19917, 42047, 59751, 126141, 179253, 378423, 537759, 1135269, 3405807, 10217421]

約数ペア:
[(1, 10217421), (3, 3405807), (9, 1135269), (19, 537759), (27, 378423), (57, 179253), (81, 126141), (171, 59751), (243, 42047), (513, 19917), (1539, 6639), (2213, 4617)]

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