21000292735

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{55921}}^1$

素因数の和:56071

約数の個数: 32

約数和(自身を含む): 27379411200

約数和(自身を除く): 6379118465

約数列:

[1, 5, 19, 59, 67, 95, 295, 335, 1121, 1273, 3953, 5605, 6365, 19765, 55921, 75107, 279605, 375535, 1062499, 3299339, 3746707, 5312495, 16496695, 18733535, 62687441, 71187433, 221055713, 313437205, 355937165, 1105278565, 4200058547, 21000292735]

約数ペア:

[(1, 21000292735), (5, 4200058547), (19, 1105278565), (59, 355937165), (67, 313437205), (95, 221055713), (295, 71187433), (335, 62687441), (1121, 18733535), (1273, 16496695), (3953, 5312495), (5605, 3746707), (6365, 3299339), (19765, 1062499), (55921, 375535), (75107, 279605)]