21085461

素因数分解:

$3^3\times {\mathrm{113}}^1\times {\mathrm{6911}}^1$

素因数の和:7033

約数の個数: 16

約数和(自身を含む): 31518720

約数和(自身を除く): 10433259

約数列:

[1, 3, 9, 27, 113, 339, 1017, 3051, 6911, 20733, 62199, 186597, 780943, 2342829, 7028487, 21085461]

約数ペア:

[(1, 21085461), (3, 7028487), (9, 2342829), (27, 780943), (113, 186597), (339, 62199), (1017, 20733), (3051, 6911)]