21244042

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{3371}}^1$

素因数の和:3533

約数の個数: 16

約数和(自身を含む): 33504192

約数和(自身を除く): 12260150

約数列:

[1, 2, 23, 46, 137, 274, 3151, 3371, 6302, 6742, 77533, 155066, 461827, 923654, 10622021, 21244042]

約数ペア:

[(1, 21244042), (2, 10622021), (23, 923654), (46, 461827), (137, 155066), (274, 77533), (3151, 6742), (3371, 6302)]