21711018

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{73847}}^1$

素因数の和:73866

約数の個数: 24

約数和(自身を含む): 50512032

約数和(自身を除く): 28801014

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 73847, 147694, 221541, 443082, 516929, 1033858, 1550787, 3101574, 3618503, 7237006, 10855509, 21711018]

約数ペア:

[(1, 21711018), (2, 10855509), (3, 7237006), (6, 3618503), (7, 3101574), (14, 1550787), (21, 1033858), (42, 516929), (49, 443082), (98, 221541), (147, 147694), (294, 73847)]