21373218

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{28961}}^1$

素因数の和:29010

約数の個数: 24

約数和(自身を含む): 47439756

約数和(自身を除く): 26066538

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 246, 369, 738, 28961, 57922, 86883, 173766, 260649, 521298, 1187401, 2374802, 3562203, 7124406, 10686609, 21373218]

約数ペア:

[(1, 21373218), (2, 10686609), (3, 7124406), (6, 3562203), (9, 2374802), (18, 1187401), (41, 521298), (82, 260649), (123, 173766), (246, 86883), (369, 57922), (738, 28961)]