21293704

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{50221}}^1$

素因数の和:50280

約数の個数: 16

約数和(自身を含む): 40679820

約数和(自身を除く): 19386116

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 50221, 100442, 200884, 401768, 2661713, 5323426, 10646852, 21293704]

約数ペア:

[(1, 21293704), (2, 10646852), (4, 5323426), (8, 2661713), (53, 401768), (106, 200884), (212, 100442), (424, 50221)]