21169498028

素因数分解:

$2^2\times 7^2\times {\mathrm{108007643}}^1$

素因数の和:108007661

約数の個数: 18

約数和(自身を含む): 43095049956

約数和(自身を除く): 21925551928

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 108007643, 216015286, 432030572, 756053501, 1512107002, 3024214004, 5292374507, 10584749014, 21169498028]

約数ペア:

[(1, 21169498028), (2, 10584749014), (4, 5292374507), (7, 3024214004), (14, 1512107002), (28, 756053501), (49, 432030572), (98, 216015286), (196, 108007643)]