21711494

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67427}}^1$

素因数の和:67459

約数の個数: 16

約数和(自身を含む): 38838528

約数和(自身を除く): 17127034

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 67427, 134854, 471989, 943978, 1550821, 3101642, 10855747, 21711494]

約数ペア:

[(1, 21711494), (2, 10855747), (7, 3101642), (14, 1550821), (23, 943978), (46, 471989), (161, 134854), (322, 67427)]