21565446

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{11941}}^1$

素因数の和:11996

約数の個数: 32

約数和(自身を含む): 50443008

約数和(自身を除く): 28877562

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 301, 602, 903, 1806, 11941, 23882, 35823, 71646, 83587, 167174, 250761, 501522, 513463, 1026926, 1540389, 3080778, 3594241, 7188482, 10782723, 21565446]

約数ペア:

[(1, 21565446), (2, 10782723), (3, 7188482), (6, 3594241), (7, 3080778), (14, 1540389), (21, 1026926), (42, 513463), (43, 501522), (86, 250761), (129, 167174), (258, 83587), (301, 71646), (602, 35823), (903, 23882), (1806, 11941)]