21060100

素因数分解:

$2^2\times 5^2\times {\mathrm{210601}}^1$

素因数の和:210615

約数の個数: 18

約数和(自身を含む): 45700634

約数和(自身を除く): 24640534

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 210601, 421202, 842404, 1053005, 2106010, 4212020, 5265025, 10530050, 21060100]

約数ペア:

[(1, 21060100), (2, 10530050), (4, 5265025), (5, 4212020), (10, 2106010), (20, 1053005), (25, 842404), (50, 421202), (100, 210601)]