21960108

素因数分解:

$2^2\times 3^2\times {\mathrm{743}}^1\times {\mathrm{821}}^1$

素因数の和:1574

約数の個数: 36

約数和(自身を含む): 55652688

約数和(自身を除く): 33692580

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 743, 821, 1486, 1642, 2229, 2463, 2972, 3284, 4458, 4926, 6687, 7389, 8916, 9852, 13374, 14778, 26748, 29556, 610003, 1220006, 1830009, 2440012, 3660018, 5490027, 7320036, 10980054, 21960108]

約数ペア:

[(1, 21960108), (2, 10980054), (3, 7320036), (4, 5490027), (6, 3660018), (9, 2440012), (12, 1830009), (18, 1220006), (36, 610003), (743, 29556), (821, 26748), (1486, 14778), (1642, 13374), (2229, 9852), (2463, 8916), (2972, 7389), (3284, 6687), (4458, 4926)]