21177414

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{27361}}^1$

素因数の和:27412

約数の個数: 24

約数和(自身を含む): 46953192

約数和(自身を除く): 25775778

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 27361, 54722, 82083, 164166, 246249, 492498, 1176523, 2353046, 3529569, 7059138, 10588707, 21177414]

約数ペア:

[(1, 21177414), (2, 10588707), (3, 7059138), (6, 3529569), (9, 2353046), (18, 1176523), (43, 492498), (86, 246249), (129, 164166), (258, 82083), (387, 54722), (774, 27361)]