21002898

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{500069}}^1$

素因数の和:500081

約数の個数: 16

約数和(自身を含む): 48006720

約数和(自身を除く): 27003822

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 500069, 1000138, 1500207, 3000414, 3500483, 7000966, 10501449, 21002898]

約数ペア:

[(1, 21002898), (2, 10501449), (3, 7000966), (6, 3500483), (7, 3000414), (14, 1500207), (21, 1000138), (42, 500069)]