21493908

素因数分解:

$2^2\times 3^2\times {\mathrm{597053}}^1$

素因数の和:597063

約数の個数: 18

約数和(自身を含む): 54331914

約数和(自身を除く): 32838006

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 597053, 1194106, 1791159, 2388212, 3582318, 5373477, 7164636, 10746954, 21493908]

約数ペア:

[(1, 21493908), (2, 10746954), (3, 7164636), (4, 5373477), (6, 3582318), (9, 2388212), (12, 1791159), (18, 1194106), (36, 597053)]