21004242

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{71443}}^1$

素因数の和:71462

約数の個数: 24

約数和(自身を含む): 48867696

約数和(自身を除く): 27863454

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 71443, 142886, 214329, 428658, 500101, 1000202, 1500303, 3000606, 3500707, 7001414, 10502121, 21004242]

約数ペア:

[(1, 21004242), (2, 10502121), (3, 7001414), (6, 3500707), (7, 3000606), (14, 1500303), (21, 1000202), (42, 500101), (49, 428658), (98, 214329), (147, 142886), (294, 71443)]