21405984

素因数分解:

$2^5\times 3^1\times {\mathrm{222979}}^1$

素因数の和:222992

約数の個数: 24

約数和(自身を含む): 56190960

約数和(自身を除く): 34784976

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 222979, 445958, 668937, 891916, 1337874, 1783832, 2675748, 3567664, 5351496, 7135328, 10702992, 21405984]

約数ペア:

[(1, 21405984), (2, 10702992), (3, 7135328), (4, 5351496), (6, 3567664), (8, 2675748), (12, 1783832), (16, 1337874), (24, 891916), (32, 668937), (48, 445958), (96, 222979)]