21000396068355

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{3104271407}}^1$

素因数の和:3104271467

約数の個数: 32

約数和(自身を含む): 37549266951168

約数和(自身を除く): 16548870882813

約数列:

[1, 3, 5, 11, 15, 33, 41, 55, 123, 165, 205, 451, 615, 1353, 2255, 6765, 3104271407, 9312814221, 15521357035, 34146985477, 46564071105, 102440956431, 127275127687, 170734927385, 381825383061, 512204782155, 636375638435, 1400026404557, 1909126915305, 4200079213671, 7000132022785, 21000396068355]

約数ペア:

[(1, 21000396068355), (3, 7000132022785), (5, 4200079213671), (11, 1909126915305), (15, 1400026404557), (33, 636375638435), (41, 512204782155), (55, 381825383061), (123, 170734927385), (165, 127275127687), (205, 102440956431), (451, 46564071105), (615, 34146985477), (1353, 15521357035), (2255, 9312814221), (6765, 3104271407)]