21611931

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{2053}}^1$

素因数の和:2107

約数の個数: 24

約数和(自身を含む): 32781840

約数和(自身を除く): 11169909

約数列:

[1, 3, 11, 29, 33, 87, 121, 319, 363, 957, 2053, 3509, 6159, 10527, 22583, 59537, 67749, 178611, 248413, 654907, 745239, 1964721, 7203977, 21611931]

約数ペア:

[(1, 21611931), (3, 7203977), (11, 1964721), (29, 745239), (33, 654907), (87, 248413), (121, 178611), (319, 67749), (363, 59537), (957, 22583), (2053, 10527), (3509, 6159)]