21063147

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43609}}^1$

素因数の和:43642

約数の個数: 16

約数和(自身を含む): 33492480

約数和(自身を除く): 12429333

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 43609, 130827, 305263, 915789, 1003007, 3009021, 7021049, 21063147]

約数ペア:

[(1, 21063147), (3, 7021049), (7, 3009021), (21, 1003007), (23, 915789), (69, 305263), (161, 130827), (483, 43609)]