21098988

素因数分解:

$2^2\times 3^3\times {\mathrm{347}}^1\times {\mathrm{563}}^1$

素因数の和:923

約数の個数: 48

約数和(自身を含む): 54956160

約数和(自身を除く): 33857172

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 347, 563, 694, 1041, 1126, 1388, 1689, 2082, 2252, 3123, 3378, 4164, 5067, 6246, 6756, 9369, 10134, 12492, 15201, 18738, 20268, 30402, 37476, 60804, 195361, 390722, 586083, 781444, 1172166, 1758249, 2344332, 3516498, 5274747, 7032996, 10549494, 21098988]

約数ペア:

[(1, 21098988), (2, 10549494), (3, 7032996), (4, 5274747), (6, 3516498), (9, 2344332), (12, 1758249), (18, 1172166), (27, 781444), (36, 586083), (54, 390722), (108, 195361), (347, 60804), (563, 37476), (694, 30402), (1041, 20268), (1126, 18738), (1388, 15201), (1689, 12492), (2082, 10134), (2252, 9369), (3123, 6756), (3378, 6246), (4164, 5067)]