21170865

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83023}}^1$

素因数の和:83048

約数の個数: 16

約数和(自身を含む): 35866368

約数和(自身を除く): 14695503

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 83023, 249069, 415115, 1245345, 1411391, 4234173, 7056955, 21170865]

約数ペア:

[(1, 21170865), (3, 7056955), (5, 4234173), (15, 1411391), (17, 1245345), (51, 415115), (85, 249069), (255, 83023)]