21870612

素因数分解:

$2^2\times 3^2\times {\mathrm{607517}}^1$

素因数の和:607527

約数の個数: 18

約数和(自身を含む): 55284138

約数和(自身を除く): 33413526

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 607517, 1215034, 1822551, 2430068, 3645102, 5467653, 7290204, 10935306, 21870612]

約数ペア:

[(1, 21870612), (2, 10935306), (3, 7290204), (4, 5467653), (6, 3645102), (9, 2430068), (12, 1822551), (18, 1215034), (36, 607517)]