21325836

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{253879}}^1$

素因数の和:253893

約数の個数: 24

約数和(自身を含む): 56869120

約数和(自身を除く): 35543284

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 253879, 507758, 761637, 1015516, 1523274, 1777153, 3046548, 3554306, 5331459, 7108612, 10662918, 21325836]

約数ペア:

[(1, 21325836), (2, 10662918), (3, 7108612), (4, 5331459), (6, 3554306), (7, 3046548), (12, 1777153), (14, 1523274), (21, 1015516), (28, 761637), (42, 507758), (84, 253879)]