21323388

素因数分解:

$2^2\times 3^1\times {\mathrm{107}}^1\times {\mathrm{16607}}^1$

素因数の和:16721

約数の個数: 24

約数和(自身を含む): 50222592

約数和(自身を除く): 28899204

約数列:

[1, 2, 3, 4, 6, 12, 107, 214, 321, 428, 642, 1284, 16607, 33214, 49821, 66428, 99642, 199284, 1776949, 3553898, 5330847, 7107796, 10661694, 21323388]

約数ペア:

[(1, 21323388), (2, 10661694), (3, 7107796), (4, 5330847), (6, 3553898), (12, 1776949), (107, 199284), (214, 99642), (321, 66428), (428, 49821), (642, 33214), (1284, 16607)]