21001095

素因数分解:

$3^2\times 5^1\times {\mathrm{593}}^1\times {\mathrm{787}}^1$

素因数の和:1391

約数の個数: 24

約数和(自身を含む): 36509616

約数和(自身を除く): 15508521

約数列:

[1, 3, 5, 9, 15, 45, 593, 787, 1779, 2361, 2965, 3935, 5337, 7083, 8895, 11805, 26685, 35415, 466691, 1400073, 2333455, 4200219, 7000365, 21001095]

約数ペア:

[(1, 21001095), (3, 7000365), (5, 4200219), (9, 2333455), (15, 1400073), (45, 466691), (593, 35415), (787, 26685), (1779, 11805), (2361, 8895), (2965, 7083), (3935, 5337)]