21103670907

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{4007}}^1$

素因数の和:4310

約数の個数: 80

約数和(自身を含む): 36035062272

約数和(自身を除く): 14931391365

約数列:

[1, 3, 9, 11, 23, 27, 33, 69, 81, 99, 207, 253, 257, 297, 621, 759, 771, 891, 1863, 2277, 2313, 2827, 4007, 5911, 6831, 6939, 8481, 12021, 17733, 20493, 20817, 25443, 36063, 44077, 53199, 65021, 76329, 92161, 108189, 132231, 159597, 195063, 228987, 276483, 324567, 396693, 478791, 585189, 829449, 1013771, 1029799, 1190079, 1755567, 2488347, 3041313, 3089397, 3570237, 5266701, 7465041, 9123939, 9268191, 11327789, 23685377, 27371817, 27804573, 33983367, 71056131, 82115451, 83413719, 101950101, 213168393, 260539147, 305850303, 639505179, 781617441, 917550909, 1918515537, 2344852323, 7034556969, 21103670907]

約数ペア:

[(1, 21103670907), (3, 7034556969), (9, 2344852323), (11, 1918515537), (23, 917550909), (27, 781617441), (33, 639505179), (69, 305850303), (81, 260539147), (99, 213168393), (207, 101950101), (253, 83413719), (257, 82115451), (297, 71056131), (621, 33983367), (759, 27804573), (771, 27371817), (891, 23685377), (1863, 11327789), (2277, 9268191), (2313, 9123939), (2827, 7465041), (4007, 5266701), (5911, 3570237), (6831, 3089397), (6939, 3041313), (8481, 2488347), (12021, 1755567), (17733, 1190079), (20493, 1029799), (20817, 1013771), (25443, 829449), (36063, 585189), (44077, 478791), (53199, 396693), (65021, 324567), (76329, 276483), (92161, 228987), (108189, 195063), (132231, 159597)]