21637890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{240421}}^1$

素因数の和:240434

約数の個数: 24

約数和(自身を含む): 56258748

約数和(自身を除く): 34620858

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 240421, 480842, 721263, 1202105, 1442526, 2163789, 2404210, 3606315, 4327578, 7212630, 10818945, 21637890]

約数ペア:

[(1, 21637890), (2, 10818945), (3, 7212630), (5, 4327578), (6, 3606315), (9, 2404210), (10, 2163789), (15, 1442526), (18, 1202105), (30, 721263), (45, 480842), (90, 240421)]