21349603

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:243

約数の個数: 24

約数和(自身を含む): 25338096

約数和(自身を除く): 3988493

約数列:

[1, 11, 17, 97, 107, 121, 187, 1067, 1177, 1649, 1819, 2057, 10379, 11737, 12947, 18139, 20009, 114169, 176443, 199529, 220099, 1255859, 1940873, 21349603]

約数ペア:

[(1, 21349603), (11, 1940873), (17, 1255859), (97, 220099), (107, 199529), (121, 176443), (187, 114169), (1067, 20009), (1177, 18139), (1649, 12947), (1819, 11737), (2057, 10379)]