21454147

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{593}}^1$

素因数の和:651

約数の個数: 24

約数和(自身を含む): 26544672

約数和(自身を除く): 5090525

約数列:

[1, 11, 13, 23, 121, 143, 253, 299, 593, 1573, 2783, 3289, 6523, 7709, 13639, 36179, 71753, 84799, 150029, 177307, 932789, 1650319, 1950377, 21454147]

約数ペア:

[(1, 21454147), (11, 1950377), (13, 1650319), (23, 932789), (121, 177307), (143, 150029), (253, 84799), (299, 71753), (593, 36179), (1573, 13639), (2783, 7709), (3289, 6523)]