21074305

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{35419}}^1$

素因数の和:35448

約数の個数: 16

約数和(自身を含む): 30602880

約数和(自身を除く): 9528575

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 35419, 177095, 247933, 602123, 1239665, 3010615, 4214861, 21074305]

約数ペア:

[(1, 21074305), (5, 4214861), (7, 3010615), (17, 1239665), (35, 602123), (85, 247933), (119, 177095), (595, 35419)]