21000700060

素因数分解:

$2^2\times 5^1\times {\mathrm{1050035003}}^1$

素因数の和:1050035012

約数の個数: 12

約数和(自身を含む): 44101470168

約数和(自身を除く): 23100770108

約数列:

[1, 2, 4, 5, 10, 20, 1050035003, 2100070006, 4200140012, 5250175015, 10500350030, 21000700060]

約数ペア:

[(1, 21000700060), (2, 10500350030), (4, 5250175015), (5, 4200140012), (10, 2100070006), (20, 1050035003)]