21775628

素因数分解:

$2^2\times 7^1\times {\mathrm{523}}^1\times {\mathrm{1487}}^1$

素因数の和:2021

約数の個数: 24

約数和(自身を含む): 43663872

約数和(自身を除く): 21888244

約数列:

[1, 2, 4, 7, 14, 28, 523, 1046, 1487, 2092, 2974, 3661, 5948, 7322, 10409, 14644, 20818, 41636, 777701, 1555402, 3110804, 5443907, 10887814, 21775628]

約数ペア:

[(1, 21775628), (2, 10887814), (4, 5443907), (7, 3110804), (14, 1555402), (28, 777701), (523, 41636), (1046, 20818), (1487, 14644), (2092, 10409), (2974, 7322), (3661, 5948)]