21148245

素因数分解:

$3^2\times 5^1\times {\mathrm{233}}^1\times {\mathrm{2017}}^1$

素因数の和:2261

約数の個数: 24

約数和(自身を含む): 36832536

約数和(自身を除く): 15684291

約数列:

[1, 3, 5, 9, 15, 45, 233, 699, 1165, 2017, 2097, 3495, 6051, 10085, 10485, 18153, 30255, 90765, 469961, 1409883, 2349805, 4229649, 7049415, 21148245]

約数ペア:

[(1, 21148245), (3, 7049415), (5, 4229649), (9, 2349805), (15, 1409883), (45, 469961), (233, 90765), (699, 30255), (1165, 18153), (2017, 10485), (2097, 10085), (3495, 6051)]