21599979

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{22291}}^1$

素因数の和:22330

約数の個数: 16

約数和(自身を含む): 32100480

約数和(自身を除く): 10500501

約数列:

[1, 3, 17, 19, 51, 57, 323, 969, 22291, 66873, 378947, 423529, 1136841, 1270587, 7199993, 21599979]

約数ペア:

[(1, 21599979), (3, 7199993), (17, 1270587), (19, 1136841), (51, 423529), (57, 378947), (323, 66873), (969, 22291)]