21185325

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{13451}}^1$

素因数の和:13474

約数の個数: 36

約数和(自身を含む): 43369248

約数和(自身を除く): 22183923

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 175, 225, 315, 525, 1575, 13451, 40353, 67255, 94157, 121059, 201765, 282471, 336275, 470785, 605295, 847413, 1008825, 1412355, 2353925, 3026475, 4237065, 7061775, 21185325]

約数ペア:

[(1, 21185325), (3, 7061775), (5, 4237065), (7, 3026475), (9, 2353925), (15, 1412355), (21, 1008825), (25, 847413), (35, 605295), (45, 470785), (63, 336275), (75, 282471), (105, 201765), (175, 121059), (225, 94157), (315, 67255), (525, 40353), (1575, 13451)]