21094905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{108179}}^1$

素因数の和:108200

約数の個数: 16

約数和(自身を含む): 36348480

約数和(自身を除く): 15253575

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 108179, 324537, 540895, 1406327, 1622685, 4218981, 7031635, 21094905]

約数ペア:

[(1, 21094905), (3, 7031635), (5, 4218981), (13, 1622685), (15, 1406327), (39, 540895), (65, 324537), (195, 108179)]