21879270

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{34729}}^1$

素因数の和:34749

約数の個数: 48

約数和(自身を含む): 65014560

約数和(自身を除く): 43135290

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 34729, 69458, 104187, 173645, 208374, 243103, 312561, 347290, 486206, 520935, 625122, 729309, 1041870, 1215515, 1458618, 1562805, 2187927, 2431030, 3125610, 3646545, 4375854, 7293090, 10939635, 21879270]

約数ペア:

[(1, 21879270), (2, 10939635), (3, 7293090), (5, 4375854), (6, 3646545), (7, 3125610), (9, 2431030), (10, 2187927), (14, 1562805), (15, 1458618), (18, 1215515), (21, 1041870), (30, 729309), (35, 625122), (42, 520935), (45, 486206), (63, 347290), (70, 312561), (90, 243103), (105, 208374), (126, 173645), (210, 104187), (315, 69458), (630, 34729)]