21178242

素因数分解:

$2^1\times 3^2\times {\mathrm{103}}^1\times {\mathrm{11423}}^1$

素因数の和:11534

約数の個数: 24

約数和(自身を含む): 46335744

約数和(自身を除く): 25157502

約数列:

[1, 2, 3, 6, 9, 18, 103, 206, 309, 618, 927, 1854, 11423, 22846, 34269, 68538, 102807, 205614, 1176569, 2353138, 3529707, 7059414, 10589121, 21178242]

約数ペア:

[(1, 21178242), (2, 10589121), (3, 7059414), (6, 3529707), (9, 2353138), (18, 1176569), (103, 205614), (206, 102807), (309, 68538), (618, 34269), (927, 22846), (1854, 11423)]