21098826

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{55817}}^1$

素因数の和:55835

約数の個数: 32

約数和(自身を含む): 53585280

約数和(自身を除く): 32486454

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 55817, 111634, 167451, 334902, 390719, 502353, 781438, 1004706, 1172157, 1507059, 2344314, 3014118, 3516471, 7032942, 10549413, 21098826]

約数ペア:

[(1, 21098826), (2, 10549413), (3, 7032942), (6, 3516471), (7, 3014118), (9, 2344314), (14, 1507059), (18, 1172157), (21, 1004706), (27, 781438), (42, 502353), (54, 390719), (63, 334902), (126, 167451), (189, 111634), (378, 55817)]