21464053

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1297}}^1$

素因数の和:1396

約数の個数: 16

約数和(自身を含む): 24713920

約数和(自身を除く): 3249867

約数列:

[1, 13, 19, 67, 247, 871, 1273, 1297, 16549, 16861, 24643, 86899, 320359, 1129687, 1651081, 21464053]

約数ペア:

[(1, 21464053), (13, 1651081), (19, 1129687), (67, 320359), (247, 86899), (871, 24643), (1273, 16861), (1297, 16549)]