21226425

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{2339}}^1$

素因数の和:2374

約数の個数: 36

約数和(自身を含む): 38591280

約数和(自身を除く): 17364855

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 121, 165, 275, 363, 605, 825, 1815, 2339, 3025, 7017, 9075, 11695, 25729, 35085, 58475, 77187, 128645, 175425, 283019, 385935, 643225, 849057, 1415095, 1929675, 4245285, 7075475, 21226425]

約数ペア:

[(1, 21226425), (3, 7075475), (5, 4245285), (11, 1929675), (15, 1415095), (25, 849057), (33, 643225), (55, 385935), (75, 283019), (121, 175425), (165, 128645), (275, 77187), (363, 58475), (605, 35085), (825, 25729), (1815, 11695), (2339, 9075), (3025, 7017)]