21553488

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^2\times {\mathrm{1237}}^1$

素因数の和:1273

約数の個数: 90

約数和(自身を含む): 66355562

約数和(自身を除く): 44802074

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 121, 132, 144, 176, 198, 242, 264, 363, 396, 484, 528, 726, 792, 968, 1089, 1237, 1452, 1584, 1936, 2178, 2474, 2904, 3711, 4356, 4948, 5808, 7422, 8712, 9896, 11133, 13607, 14844, 17424, 19792, 22266, 27214, 29688, 40821, 44532, 54428, 59376, 81642, 89064, 108856, 122463, 149677, 163284, 178128, 217712, 244926, 299354, 326568, 449031, 489852, 598708, 653136, 898062, 979704, 1197416, 1347093, 1796124, 1959408, 2394832, 2694186, 3592248, 5388372, 7184496, 10776744, 21553488]

約数ペア:

[(1, 21553488), (2, 10776744), (3, 7184496), (4, 5388372), (6, 3592248), (8, 2694186), (9, 2394832), (11, 1959408), (12, 1796124), (16, 1347093), (18, 1197416), (22, 979704), (24, 898062), (33, 653136), (36, 598708), (44, 489852), (48, 449031), (66, 326568), (72, 299354), (88, 244926), (99, 217712), (121, 178128), (132, 163284), (144, 149677), (176, 122463), (198, 108856), (242, 89064), (264, 81642), (363, 59376), (396, 54428), (484, 44532), (528, 40821), (726, 29688), (792, 27214), (968, 22266), (1089, 19792), (1237, 17424), (1452, 14844), (1584, 13607), (1936, 11133), (2178, 9896), (2474, 8712), (2904, 7422), (3711, 5808), (4356, 4948)]