21092912163

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{2269}}^1$

素因数の和:2498

約数の個数: 80

約数和(自身を含む): 34371105120

約数和(自身を除く): 13278192957

約数列:

[1, 3, 9, 17, 27, 43, 51, 81, 129, 153, 157, 387, 459, 471, 731, 1161, 1377, 1413, 2193, 2269, 2669, 3483, 4239, 6579, 6751, 6807, 8007, 12717, 19737, 20253, 20421, 24021, 38573, 59211, 60759, 61263, 72063, 97567, 114767, 115719, 182277, 183789, 216189, 292701, 344301, 347157, 356233, 546831, 878103, 1032903, 1041471, 1068699, 1658639, 2634309, 3098709, 3124413, 3206097, 4975917, 6055961, 7902927, 9296127, 9618291, 14927751, 15318019, 18167883, 28854873, 44783253, 45954057, 54503649, 134349759, 137862171, 163510947, 260406323, 413586513, 490532841, 781218969, 1240759539, 2343656907, 7030970721, 21092912163]

約数ペア:

[(1, 21092912163), (3, 7030970721), (9, 2343656907), (17, 1240759539), (27, 781218969), (43, 490532841), (51, 413586513), (81, 260406323), (129, 163510947), (153, 137862171), (157, 134349759), (387, 54503649), (459, 45954057), (471, 44783253), (731, 28854873), (1161, 18167883), (1377, 15318019), (1413, 14927751), (2193, 9618291), (2269, 9296127), (2669, 7902927), (3483, 6055961), (4239, 4975917), (6579, 3206097), (6751, 3124413), (6807, 3098709), (8007, 2634309), (12717, 1658639), (19737, 1068699), (20253, 1041471), (20421, 1032903), (24021, 878103), (38573, 546831), (59211, 356233), (60759, 347157), (61263, 344301), (72063, 292701), (97567, 216189), (114767, 183789), (115719, 182277)]