21877245

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37397}}^1$

素因数の和:37421

約数の個数: 24

約数和(自身を含む): 40838616

約数和(自身を除く): 18961371

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 37397, 112191, 186985, 336573, 486161, 560955, 1458483, 1682865, 2430805, 4375449, 7292415, 21877245]

約数ペア:

[(1, 21877245), (3, 7292415), (5, 4375449), (9, 2430805), (13, 1682865), (15, 1458483), (39, 560955), (45, 486161), (65, 336573), (117, 186985), (195, 112191), (585, 37397)]