21970429

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{577}}^1$

素因数の和:720

約数の個数: 16

約数和(自身を含む): 24761520

約数和(自身を除く): 2791091

約数列:

[1, 13, 29, 101, 377, 577, 1313, 2929, 7501, 16733, 38077, 58277, 217529, 757601, 1690033, 21970429]

約数ペア:

[(1, 21970429), (13, 1690033), (29, 757601), (101, 217529), (377, 58277), (577, 38077), (1313, 16733), (2929, 7501)]