21156552

素因数分解:

$2^3\times 3^5\times {\mathrm{10883}}^1$

素因数の和:10904

約数の個数: 48

約数和(自身を含む): 59426640

約数和(自身を除く): 38270088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 972, 1944, 10883, 21766, 32649, 43532, 65298, 87064, 97947, 130596, 195894, 261192, 293841, 391788, 587682, 783576, 881523, 1175364, 1763046, 2350728, 2644569, 3526092, 5289138, 7052184, 10578276, 21156552]

約数ペア:

[(1, 21156552), (2, 10578276), (3, 7052184), (4, 5289138), (6, 3526092), (8, 2644569), (9, 2350728), (12, 1763046), (18, 1175364), (24, 881523), (27, 783576), (36, 587682), (54, 391788), (72, 293841), (81, 261192), (108, 195894), (162, 130596), (216, 97947), (243, 87064), (324, 65298), (486, 43532), (648, 32649), (972, 21766), (1944, 10883)]