21739998

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{517619}}^1$

素因数の和:517631

約数の個数: 16

約数和(自身を含む): 49691520

約数和(自身を除く): 27951522

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 517619, 1035238, 1552857, 3105714, 3623333, 7246666, 10869999, 21739998]

約数ペア:

[(1, 21739998), (2, 10869999), (3, 7246666), (6, 3623333), (7, 3105714), (14, 1552857), (21, 1035238), (42, 517619)]