21167690195

素因数分解:

$5^1\times {\mathrm{37}}^2\times {\mathrm{43}}^1\times {\mathrm{71917}}^1$

素因数の和:72039

約数の個数: 24

約数和(自身を含む): 26713797264

約数和(自身を除く): 5546107069

約数列:

[1, 5, 37, 43, 185, 215, 1369, 1591, 6845, 7955, 58867, 71917, 294335, 359585, 2660929, 3092431, 13304645, 15462155, 98454373, 114419947, 492271865, 572099735, 4233538039, 21167690195]

約数ペア:

[(1, 21167690195), (5, 4233538039), (37, 572099735), (43, 492271865), (185, 114419947), (215, 98454373), (1369, 15462155), (1591, 13304645), (6845, 3092431), (7955, 2660929), (58867, 359585), (71917, 294335)]