21921383

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1979}}^1$

素因数の和:2062

約数の個数: 16

約数和(自身を含む): 25660800

約数和(自身を除く): 3739417

約数列:

[1, 11, 19, 53, 209, 583, 1007, 1979, 11077, 21769, 37601, 104887, 413611, 1153757, 1992853, 21921383]

約数ペア:

[(1, 21921383), (11, 1992853), (19, 1153757), (53, 413611), (209, 104887), (583, 37601), (1007, 21769), (1979, 11077)]