21902987

素因数分解:

${\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{347}}^1$

素因数の和:490

約数の個数: 16

約数和(自身を含む): 24053760

約数和(自身を除く): 2150773

約数列:

[1, 17, 47, 79, 347, 799, 1343, 3713, 5899, 16309, 27413, 63121, 277253, 466021, 1288411, 21902987]

約数ペア:

[(1, 21902987), (17, 1288411), (47, 466021), (79, 277253), (347, 63121), (799, 27413), (1343, 16309), (3713, 5899)]