21552642

素因数分解:

$2^1\times 3^5\times {\mathrm{61}}^1\times {\mathrm{727}}^1$

素因数の和:805

約数の個数: 48

約数和(自身を含む): 49288512

約数和(自身を除く): 27735870

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 61, 81, 122, 162, 183, 243, 366, 486, 549, 727, 1098, 1454, 1647, 2181, 3294, 4362, 4941, 6543, 9882, 13086, 14823, 19629, 29646, 39258, 44347, 58887, 88694, 117774, 133041, 176661, 266082, 353322, 399123, 798246, 1197369, 2394738, 3592107, 7184214, 10776321, 21552642]

約数ペア:

[(1, 21552642), (2, 10776321), (3, 7184214), (6, 3592107), (9, 2394738), (18, 1197369), (27, 798246), (54, 399123), (61, 353322), (81, 266082), (122, 176661), (162, 133041), (183, 117774), (243, 88694), (366, 58887), (486, 44347), (549, 39258), (727, 29646), (1098, 19629), (1454, 14823), (1647, 13086), (2181, 9882), (3294, 6543), (4362, 4941)]