21143916

素因数分解:

$2^2\times 3^7\times {\mathrm{2417}}^1$

素因数の和:2442

約数の個数: 48

約数和(自身を含む): 55517280

約数和(自身を除く): 34373364

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 2187, 2417, 2916, 4374, 4834, 7251, 8748, 9668, 14502, 21753, 29004, 43506, 65259, 87012, 130518, 195777, 261036, 391554, 587331, 783108, 1174662, 1761993, 2349324, 3523986, 5285979, 7047972, 10571958, 21143916]

約数ペア:

[(1, 21143916), (2, 10571958), (3, 7047972), (4, 5285979), (6, 3523986), (9, 2349324), (12, 1761993), (18, 1174662), (27, 783108), (36, 587331), (54, 391554), (81, 261036), (108, 195777), (162, 130518), (243, 87012), (324, 65259), (486, 43506), (729, 29004), (972, 21753), (1458, 14502), (2187, 9668), (2417, 8748), (2916, 7251), (4374, 4834)]