21127173685

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{7793}}^1\times {\mathrm{4139}}^1$

素因数の和:12068

約数の個数: 16

約数和(自身を含む): 25555590720

約数和(自身を除く): 4428417035

約数列:

[1, 5, 131, 655, 4139, 7793, 20695, 38965, 542209, 1020883, 2711045, 5104415, 32255227, 161276135, 4225434737, 21127173685]

約数ペア:

[(1, 21127173685), (5, 4225434737), (131, 161276135), (655, 32255227), (4139, 5104415), (7793, 2711045), (20695, 1020883), (38965, 542209)]