21540656

素因数分解:

$2^4\times {\mathrm{229}}^1\times {\mathrm{5879}}^1$

素因数の和:6116

約数の個数: 20

約数和(自身を含む): 41924400

約数和(自身を除く): 20383744

約数列:

[1, 2, 4, 8, 16, 229, 458, 916, 1832, 3664, 5879, 11758, 23516, 47032, 94064, 1346291, 2692582, 5385164, 10770328, 21540656]

約数ペア:

[(1, 21540656), (2, 10770328), (4, 5385164), (8, 2692582), (16, 1346291), (229, 94064), (458, 47032), (916, 23516), (1832, 11758), (3664, 5879)]