21477009

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{2089}}^1$

素因数の和:2264

約数の個数: 16

約数和(自身を含む): 30096000

約数和(自身を除く): 8618991

約数列:

[1, 3, 23, 69, 149, 447, 2089, 3427, 6267, 10281, 48047, 144141, 311261, 933783, 7159003, 21477009]

約数ペア:

[(1, 21477009), (3, 7159003), (23, 933783), (69, 311261), (149, 144141), (447, 48047), (2089, 10281), (3427, 6267)]