21998916

素因数分解:

$2^2\times 3^2\times {\mathrm{611081}}^1$

素因数の和:611091

約数の個数: 18

約数和(自身を含む): 55608462

約数和(自身を除く): 33609546

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 611081, 1222162, 1833243, 2444324, 3666486, 5499729, 7332972, 10999458, 21998916]

約数ペア:

[(1, 21998916), (2, 10999458), (3, 7332972), (4, 5499729), (6, 3666486), (9, 2444324), (12, 1833243), (18, 1222162), (36, 611081)]