21784716

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31849}}^1$

素因数の和:31878

約数の個数: 36

約数和(自身を含む): 57967000

約数和(自身を除く): 36182284

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 31849, 63698, 95547, 127396, 191094, 286641, 382188, 573282, 605131, 1146564, 1210262, 1815393, 2420524, 3630786, 5446179, 7261572, 10892358, 21784716]

約数ペア:

[(1, 21784716), (2, 10892358), (3, 7261572), (4, 5446179), (6, 3630786), (9, 2420524), (12, 1815393), (18, 1210262), (19, 1146564), (36, 605131), (38, 573282), (57, 382188), (76, 286641), (114, 191094), (171, 127396), (228, 95547), (342, 63698), (684, 31849)]