21940140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{365669}}^1$

素因数の和:365681

約数の個数: 24

約数和(自身を含む): 61432560

約数和(自身を除く): 39492420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 365669, 731338, 1097007, 1462676, 1828345, 2194014, 3656690, 4388028, 5485035, 7313380, 10970070, 21940140]

約数ペア:

[(1, 21940140), (2, 10970070), (3, 7313380), (4, 5485035), (5, 4388028), (6, 3656690), (10, 2194014), (12, 1828345), (15, 1462676), (20, 1097007), (30, 731338), (60, 365669)]