21018858

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{2593}}^1$

素因数の和:2798

約数の個数: 32

約数和(自身を含む): 48310656

約数和(自身を除く): 27291798

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 193, 386, 579, 1158, 1351, 2593, 2702, 4053, 5186, 7779, 8106, 15558, 18151, 36302, 54453, 108906, 500449, 1000898, 1501347, 3002694, 3503143, 7006286, 10509429, 21018858]

約数ペア:

[(1, 21018858), (2, 10509429), (3, 7006286), (6, 3503143), (7, 3002694), (14, 1501347), (21, 1000898), (42, 500449), (193, 108906), (386, 54453), (579, 36302), (1158, 18151), (1351, 15558), (2593, 8106), (2702, 7779), (4053, 5186)]