21887738

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{9067}}^1$

素因数の和:9157

約数の個数: 16

約数和(自身を含む): 35256384

約数和(自身を除く): 13368646

約数列:

[1, 2, 17, 34, 71, 142, 1207, 2414, 9067, 18134, 154139, 308278, 643757, 1287514, 10943869, 21887738]

約数ペア:

[(1, 21887738), (2, 10943869), (17, 1287514), (34, 643757), (71, 308278), (142, 154139), (1207, 18134), (2414, 9067)]