221420766

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{5271923}}^1$

素因数の和:5271935

約数の個数: 16

約数和(自身を含む): 506104704

約数和(自身を除く): 284683938

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 5271923, 10543846, 15815769, 31631538, 36903461, 73806922, 110710383, 221420766]

約数ペア:

[(1, 221420766), (2, 110710383), (3, 73806922), (6, 36903461), (7, 31631538), (14, 15815769), (21, 10543846), (42, 5271923)]