21330148

素因数分解:

$2^2\times 7^1\times {\mathrm{281}}^1\times {\mathrm{2711}}^1$

素因数の和:3003

約数の個数: 24

約数和(自身を含む): 42827904

約数和(自身を除く): 21497756

約数列:

[1, 2, 4, 7, 14, 28, 281, 562, 1124, 1967, 2711, 3934, 5422, 7868, 10844, 18977, 37954, 75908, 761791, 1523582, 3047164, 5332537, 10665074, 21330148]

約数ペア:

[(1, 21330148), (2, 10665074), (4, 5332537), (7, 3047164), (14, 1523582), (28, 761791), (281, 75908), (562, 37954), (1124, 18977), (1967, 10844), (2711, 7868), (3934, 5422)]