21699685225

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{639637}}^1$

素因数の和:639729

約数の個数: 24

約数和(自身を含む): 28553440320

約数和(自身を除く): 6853755095

約数列:

[1, 5, 23, 25, 59, 115, 295, 575, 1357, 1475, 6785, 33925, 639637, 3198185, 14711651, 15990925, 37738583, 73558255, 188692915, 367791275, 867987409, 943464575, 4339937045, 21699685225]

約数ペア:

[(1, 21699685225), (5, 4339937045), (23, 943464575), (25, 867987409), (59, 367791275), (115, 188692915), (295, 73558255), (575, 37738583), (1357, 15990925), (1475, 14711651), (6785, 3198185), (33925, 639637)]