22158790

素因数分解:

$2^1\times 5^1\times {\mathrm{821}}^1\times {\mathrm{2699}}^1$

素因数の和:3527

約数の個数: 16

約数和(自身を含む): 39949200

約数和(自身を除く): 17790410

約数列:

[1, 2, 5, 10, 821, 1642, 2699, 4105, 5398, 8210, 13495, 26990, 2215879, 4431758, 11079395, 22158790]

約数ペア:

[(1, 22158790), (2, 11079395), (5, 4431758), (10, 2215879), (821, 26990), (1642, 13495), (2699, 8210), (4105, 5398)]