21000906372

素因数分解:

$2^2\times 3^1\times {\mathrm{317}}^1\times {\mathrm{1093}}^1\times {\mathrm{5051}}^1$

素因数の和:6468

約数の個数: 48

約数和(自身を含む): 49211410752

約数和(自身を除く): 28210504380

約数列:

[1, 2, 3, 4, 6, 12, 317, 634, 951, 1093, 1268, 1902, 2186, 3279, 3804, 4372, 5051, 6558, 10102, 13116, 15153, 20204, 30306, 60612, 346481, 692962, 1039443, 1385924, 1601167, 2078886, 3202334, 4157772, 4803501, 5520743, 6404668, 9607002, 11041486, 16562229, 19214004, 22082972, 33124458, 66248916, 1750075531, 3500151062, 5250226593, 7000302124, 10500453186, 21000906372]

約数ペア:

[(1, 21000906372), (2, 10500453186), (3, 7000302124), (4, 5250226593), (6, 3500151062), (12, 1750075531), (317, 66248916), (634, 33124458), (951, 22082972), (1093, 19214004), (1268, 16562229), (1902, 11041486), (2186, 9607002), (3279, 6404668), (3804, 5520743), (4372, 4803501), (5051, 4157772), (6558, 3202334), (10102, 2078886), (13116, 1601167), (15153, 1385924), (20204, 1039443), (30306, 692962), (60612, 346481)]