21858057

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{823}}^1$

素因数の和:1069

約数の個数: 24

約数和(自身を含む): 34192704

約数和(自身を除く): 12334647

約数列:

[1, 3, 9, 13, 39, 117, 227, 681, 823, 2043, 2469, 2951, 7407, 8853, 10699, 26559, 32097, 96291, 186821, 560463, 1681389, 2428673, 7286019, 21858057]

約数ペア:

[(1, 21858057), (3, 7286019), (9, 2428673), (13, 1681389), (39, 560463), (117, 186821), (227, 96291), (681, 32097), (823, 26559), (2043, 10699), (2469, 8853), (2951, 7407)]