21185229

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{2393}}^1$

素因数の和:2636

約数の個数: 16

約数和(自身を含む): 30566592

約数和(自身を除く): 9381363

約数列:

[1, 3, 13, 39, 227, 681, 2393, 2951, 7179, 8853, 31109, 93327, 543211, 1629633, 7061743, 21185229]

約数ペア:

[(1, 21185229), (3, 7061743), (13, 1629633), (39, 543211), (227, 93327), (681, 31109), (2393, 8853), (2951, 7179)]