21697242

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{1439}}^1$

素因数の和:1810

約数の個数: 32

約数和(自身を含む): 49766400

約数和(自身を除く): 28069158

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 359, 718, 1077, 1439, 2154, 2513, 2878, 4317, 5026, 7539, 8634, 10073, 15078, 20146, 30219, 60438, 516601, 1033202, 1549803, 3099606, 3616207, 7232414, 10848621, 21697242]

約数ペア:

[(1, 21697242), (2, 10848621), (3, 7232414), (6, 3616207), (7, 3099606), (14, 1549803), (21, 1033202), (42, 516601), (359, 60438), (718, 30219), (1077, 20146), (1439, 15078), (2154, 10073), (2513, 8634), (2878, 7539), (4317, 5026)]