21079548

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{27883}}^1$

素因数の和:27903

約数の個数: 48

約数和(自身を含む): 62460160

約数和(自身を除く): 41380612

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 27883, 55766, 83649, 111532, 167298, 195181, 250947, 334596, 390362, 501894, 585543, 752841, 780724, 1003788, 1171086, 1505682, 1756629, 2342172, 3011364, 3513258, 5269887, 7026516, 10539774, 21079548]

約数ペア:

[(1, 21079548), (2, 10539774), (3, 7026516), (4, 5269887), (6, 3513258), (7, 3011364), (9, 2342172), (12, 1756629), (14, 1505682), (18, 1171086), (21, 1003788), (27, 780724), (28, 752841), (36, 585543), (42, 501894), (54, 390362), (63, 334596), (84, 250947), (108, 195181), (126, 167298), (189, 111532), (252, 83649), (378, 55766), (756, 27883)]