21966813

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{4721}}^1$

素因数の和:4785

約数の個数: 24

約数和(自身を含む): 35358336

約数和(自身を除く): 13391523

約数列:

[1, 3, 9, 11, 33, 47, 99, 141, 423, 517, 1551, 4653, 4721, 14163, 42489, 51931, 155793, 221887, 467379, 665661, 1996983, 2440757, 7322271, 21966813]

約数ペア:

[(1, 21966813), (3, 7322271), (9, 2440757), (11, 1996983), (33, 665661), (47, 467379), (99, 221887), (141, 155793), (423, 51931), (517, 42489), (1551, 14163), (4653, 4721)]