21839430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{727981}}^1$

素因数の和:727991

約数の個数: 16

約数和(自身を含む): 52414704

約数和(自身を除く): 30575274

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 727981, 1455962, 2183943, 3639905, 4367886, 7279810, 10919715, 21839430]

約数ペア:

[(1, 21839430), (2, 10919715), (3, 7279810), (5, 4367886), (6, 3639905), (10, 2183943), (15, 1455962), (30, 727981)]