21980849

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1019}}^1$

素因数の和:1120

約数の個数: 16

約数和(自身を含む): 25116480

約数和(自身を除く): 3135631

約数列:

[1, 11, 37, 53, 407, 583, 1019, 1961, 11209, 21571, 37703, 54007, 414733, 594077, 1998259, 21980849]

約数ペア:

[(1, 21980849), (11, 1998259), (37, 594077), (53, 414733), (407, 54007), (583, 37703), (1019, 21571), (1961, 11209)]