21918694

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{22051}}^1$

素因数の和:22131

約数の個数: 16

約数和(自身を含む): 38105856

約数和(自身を除く): 16187162

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 22051, 44102, 154357, 308714, 1565621, 3131242, 10959347, 21918694]

約数ペア:

[(1, 21918694), (2, 10959347), (7, 3131242), (14, 1565621), (71, 308714), (142, 154357), (497, 44102), (994, 22051)]