21331716

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{253949}}^1$

素因数の和:253963

約数の個数: 24

約数和(自身を含む): 56884800

約数和(自身を除く): 35553084

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 253949, 507898, 761847, 1015796, 1523694, 1777643, 3047388, 3555286, 5332929, 7110572, 10665858, 21331716]

約数ペア:

[(1, 21331716), (2, 10665858), (3, 7110572), (4, 5332929), (6, 3555286), (7, 3047388), (12, 1777643), (14, 1523694), (21, 1015796), (28, 761847), (42, 507898), (84, 253949)]