21180050

素因数分解:

$2^1\times 5^2\times {\mathrm{423601}}^1$

素因数の和:423613

約数の個数: 12

約数和(自身を含む): 39394986

約数和(自身を除く): 18214936

約数列:

[1, 2, 5, 10, 25, 50, 423601, 847202, 2118005, 4236010, 10590025, 21180050]

約数ペア:

[(1, 21180050), (2, 10590025), (5, 4236010), (10, 2118005), (25, 847202), (50, 423601)]