21796965

素因数分解:

$3^3\times 5^1\times {\mathrm{161459}}^1$

素因数の和:161473

約数の個数: 16

約数和(自身を含む): 38750400

約数和(自身を除く): 16953435

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 161459, 484377, 807295, 1453131, 2421885, 4359393, 7265655, 21796965]

約数ペア:

[(1, 21796965), (3, 7265655), (5, 4359393), (9, 2421885), (15, 1453131), (27, 807295), (45, 484377), (135, 161459)]