21431490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{2579}}^1$

素因数の和:2866

約数の個数: 32

約数和(自身を含む): 51641280

約数和(自身を除く): 30209790

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 277, 554, 831, 1385, 1662, 2579, 2770, 4155, 5158, 7737, 8310, 12895, 15474, 25790, 38685, 77370, 714383, 1428766, 2143149, 3571915, 4286298, 7143830, 10715745, 21431490]

約数ペア:

[(1, 21431490), (2, 10715745), (3, 7143830), (5, 4286298), (6, 3571915), (10, 2143149), (15, 1428766), (30, 714383), (277, 77370), (554, 38685), (831, 25790), (1385, 15474), (1662, 12895), (2579, 8310), (2770, 7737), (4155, 5158)]