21273231

素因数分解:

$3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{4801}}^1$

素因数の和:5022

約数の個数: 16

約数和(自身を含む): 32576768

約数和(自身を除く): 11303537

約数列:

[1, 3, 7, 21, 211, 633, 1477, 4431, 4801, 14403, 33607, 100821, 1013011, 3039033, 7091077, 21273231]

約数ペア:

[(1, 21273231), (3, 7091077), (7, 3039033), (21, 1013011), (211, 100821), (633, 33607), (1477, 14403), (4431, 4801)]