21717993

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{38713}}^1$

素因数の和:38744

約数の個数: 16

約数和(自身を含む): 33448896

約数和(自身を除く): 11730903

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 38713, 116139, 425843, 658121, 1277529, 1974363, 7239331, 21717993]

約数ペア:

[(1, 21717993), (3, 7239331), (11, 1974363), (17, 1277529), (33, 658121), (51, 425843), (187, 116139), (561, 38713)]