21167301110

素因数分解:

$2^1\times 5^1\times {\mathrm{4153}}^1\times {\mathrm{509687}}^1$

素因数の和:513847

約数の個数: 16

約数和(自身を含む): 38110391136

約数和(自身を除く): 16943090026

約数列:

[1, 2, 5, 10, 4153, 8306, 20765, 41530, 509687, 1019374, 2548435, 5096870, 2116730111, 4233460222, 10583650555, 21167301110]

約数ペア:

[(1, 21167301110), (2, 10583650555), (5, 4233460222), (10, 2116730111), (4153, 5096870), (8306, 2548435), (20765, 1019374), (41530, 509687)]