21099195

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36067}}^1$

素因数の和:36091

約数の個数: 24

約数和(自身を含む): 39386256

約数和(自身を除く): 18287061

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 36067, 108201, 180335, 324603, 468871, 541005, 1406613, 1623015, 2344355, 4219839, 7033065, 21099195]

約数ペア:

[(1, 21099195), (3, 7033065), (5, 4219839), (9, 2344355), (13, 1623015), (15, 1406613), (39, 541005), (45, 468871), (65, 324603), (117, 180335), (195, 108201), (585, 36067)]