21218442

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{505201}}^1$

素因数の和:505213

約数の個数: 16

約数和(自身を含む): 48499392

約数和(自身を除く): 27280950

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 505201, 1010402, 1515603, 3031206, 3536407, 7072814, 10609221, 21218442]

約数ペア:

[(1, 21218442), (2, 10609221), (3, 7072814), (6, 3536407), (7, 3031206), (14, 1515603), (21, 1010402), (42, 505201)]