21872985

素因数分解:

$3^1\times 5^1\times {\mathrm{337}}^1\times {\mathrm{4327}}^1$

素因数の和:4672

約数の個数: 16

約数和(自身を含む): 35108736

約数和(自身を除く): 13235751

約数列:

[1, 3, 5, 15, 337, 1011, 1685, 4327, 5055, 12981, 21635, 64905, 1458199, 4374597, 7290995, 21872985]

約数ペア:

[(1, 21872985), (3, 7290995), (5, 4374597), (15, 1458199), (337, 64905), (1011, 21635), (1685, 12981), (4327, 5055)]