21280924

素因数分解:

$2^2\times 7^1\times {\mathrm{503}}^1\times {\mathrm{1511}}^1$

素因数の和:2025

約数の個数: 24

約数和(自身を含む): 42674688

約数和(自身を除く): 21393764

約数列:

[1, 2, 4, 7, 14, 28, 503, 1006, 1511, 2012, 3022, 3521, 6044, 7042, 10577, 14084, 21154, 42308, 760033, 1520066, 3040132, 5320231, 10640462, 21280924]

約数ペア:

[(1, 21280924), (2, 10640462), (4, 5320231), (7, 3040132), (14, 1520066), (28, 760033), (503, 42308), (1006, 21154), (1511, 14084), (2012, 10577), (3022, 7042), (3521, 6044)]