21648973

素因数分解:

${\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{229}}^1$

素因数の和:396

約数の個数: 16

約数和(自身を含む): 23647680

約数和(自身を除く): 1998707

約数列:

[1, 17, 67, 83, 229, 1139, 1411, 3893, 5561, 15343, 19007, 94537, 260831, 323119, 1273469, 21648973]

約数ペア:

[(1, 21648973), (17, 1273469), (67, 323119), (83, 260831), (229, 94537), (1139, 19007), (1411, 15343), (3893, 5561)]