21812475

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{15307}}^1$

素因数の和:15339

約数の個数: 24

約数和(自身を含む): 37963840

約数和(自身を除く): 16151365

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 475, 1425, 15307, 45921, 76535, 229605, 290833, 382675, 872499, 1148025, 1454165, 4362495, 7270825, 21812475]

約数ペア:

[(1, 21812475), (3, 7270825), (5, 4362495), (15, 1454165), (19, 1148025), (25, 872499), (57, 382675), (75, 290833), (95, 229605), (285, 76535), (475, 45921), (1425, 15307)]