21520842

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{17669}}^1$

素因数の和:17710

約数の個数: 32

約数和(自身を含む): 50889600

約数和(自身を除く): 29368758

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 174, 203, 406, 609, 1218, 17669, 35338, 53007, 106014, 123683, 247366, 371049, 512401, 742098, 1024802, 1537203, 3074406, 3586807, 7173614, 10760421, 21520842]

約数ペア:

[(1, 21520842), (2, 10760421), (3, 7173614), (6, 3586807), (7, 3074406), (14, 1537203), (21, 1024802), (29, 742098), (42, 512401), (58, 371049), (87, 247366), (174, 123683), (203, 106014), (406, 53007), (609, 35338), (1218, 17669)]