21237006

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{505643}}^1$

素因数の和:505655

約数の個数: 16

約数和(自身を含む): 48541824

約数和(自身を除く): 27304818

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 505643, 1011286, 1516929, 3033858, 3539501, 7079002, 10618503, 21237006]

約数ペア:

[(1, 21237006), (2, 10618503), (3, 7079002), (6, 3539501), (7, 3033858), (14, 1516929), (21, 1011286), (42, 505643)]