21115598

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{88721}}^1$

素因数の和:88747

約数の個数: 16

約数和(自身を含む): 38327904

約数和(自身を除く): 17212306

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 88721, 177442, 621047, 1242094, 1508257, 3016514, 10557799, 21115598]

約数ペア:

[(1, 21115598), (2, 10557799), (7, 3016514), (14, 1508257), (17, 1242094), (34, 621047), (119, 177442), (238, 88721)]