21093018

素因数分解:

$2^1\times 3^1\times {\mathrm{257}}^1\times {\mathrm{13679}}^1$

素因数の和:13941

約数の個数: 16

約数和(自身を含む): 42353280

約数和(自身を除く): 21260262

約数列:

[1, 2, 3, 6, 257, 514, 771, 1542, 13679, 27358, 41037, 82074, 3515503, 7031006, 10546509, 21093018]

約数ペア:

[(1, 21093018), (2, 10546509), (3, 7031006), (6, 3515503), (257, 82074), (514, 41037), (771, 27358), (1542, 13679)]