21831885

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{11833}}^1$

素因数の和:11885

約数の個数: 24

約数和(自身を含む): 38768184

約数和(自身を除く): 16936299

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 11833, 35499, 59165, 106497, 177495, 485153, 532485, 1455459, 2425765, 4366377, 7277295, 21831885]

約数ペア:

[(1, 21831885), (3, 7277295), (5, 4366377), (9, 2425765), (15, 1455459), (41, 532485), (45, 485153), (123, 177495), (205, 106497), (369, 59165), (615, 35499), (1845, 11833)]