21724113

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{6983}}^1$

素因数の和:7064

約数の個数: 16

約数和(自身を含む): 31176576

約数和(自身を除く): 9452463

約数列:

[1, 3, 17, 51, 61, 183, 1037, 3111, 6983, 20949, 118711, 356133, 425963, 1277889, 7241371, 21724113]

約数ペア:

[(1, 21724113), (3, 7241371), (17, 1277889), (51, 425963), (61, 356133), (183, 118711), (1037, 20949), (3111, 6983)]