21512670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{717089}}^1$

素因数の和:717099

約数の個数: 16

約数和(自身を含む): 51630480

約数和(自身を除く): 30117810

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 717089, 1434178, 2151267, 3585445, 4302534, 7170890, 10756335, 21512670]

約数ペア:

[(1, 21512670), (2, 10756335), (3, 7170890), (5, 4302534), (6, 3585445), (10, 2151267), (15, 1434178), (30, 717089)]