2021232008

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{149411}}^1$

素因数の和:149525

約数の個数: 32

約数和(自身を含む): 4034124000

約数和(自身を除く): 2012891992

約数列:

[1, 2, 4, 8, 19, 38, 76, 89, 152, 178, 356, 712, 1691, 3382, 6764, 13528, 149411, 298822, 597644, 1195288, 2838809, 5677618, 11355236, 13297579, 22710472, 26595158, 53190316, 106380632, 252654001, 505308002, 1010616004, 2021232008]

約数ペア:

[(1, 2021232008), (2, 1010616004), (4, 505308002), (8, 252654001), (19, 106380632), (38, 53190316), (76, 26595158), (89, 22710472), (152, 13297579), (178, 11355236), (356, 5677618), (712, 2838809), (1691, 1195288), (3382, 597644), (6764, 298822), (13528, 149411)]